Agriculture MCQsPreparation for Agriculture Officer

Agri-MCQs # 17: Horticultural Sciences



  1. The edible part of potato is:

    1. Root

    2. Tuber

    3. Rhizome

    4. Corm

  2. Vegetable production for local consumption is:
    a Market gardening

    b Home gardening
    c Truck gardening
    d Vegetable forcing

  3. Foliage plants with extremely tender and watery stem are :

    1. Herb

      1. Succulents

      2. Vine

      3. Runner

  4. Most of the summer vegetables are:

    1. Annual

    2. Biennial

    3. Perennial

    4. None

  5. Summer vegetables can be grown out of season in a climatic region:

    e. Lower Sindh

    1. Upper Sindh

    2. Southern Punjab

    3. Northern Punjab

  6. In seed formation the inner integument remains thin and develops into:

    1. Testa

      f. Tegmen

      1. Aril

      2. Hilum

  7. During seed formation, a sear left by the funiculus is termed as

    1. Hilum

    2. Funiculus

    3. Operculum

    4. Raphe

  8. Cracking in tomato fruit is due to:

    1. High nitrogen level

    2. Temperature fluctuations

    3. Soil moisture fluctuations

    4. All of these

  9. Endosperm like tissue (2n) in seed developing from nucellus is :

    1. Endospem

    2. Cotyledom

    3. Perisperm

    4. Mericarp

  10. Orthodox seeds after dissemination may be

    1. None dormant

    2. Dormant

    3. Quiescent

      i. All of above

  11. Reduction or elimination of dormancy in crop plant is due to :

    1. Domestication

    2. Hybridization

    3. Mutation

      j. Acclimatization

  12. Dormancy due to factors within the embryo is:

    1. Endogenous

    2. Exogenous

    3. Combination

    4. None of above

  13. Secondary dormancy in non dormant seeds is due to:

    1. Temperature

    2. Moisture

    3. Aeration

    4. Light

  14. Germination of undeveloped seeds is favored by:

    1. Warm temperature (>20°C)

    2. Gibberallic acid

    3. Low temperature (<20°C)

    4. a & b

  15. During stratification, the most important factor is:

    1. Temperature

    2. Duration

    3. Media

      e. All of above

  16. Stage at which seed achieves it maximum dry weight and has maximum germination
    potential and vigor is:

    1. Physiological maturity

    2. Edible maturity

    3. Harvest maturity

    4. None of above

  17. Seed vigor is affected by

    1. Time of storage

    2. Type of seed stored

    3. Storage environment

    4. All of above

  18. Tetrazolium test to check seed viability is

    1. Chemical test

    2. Enzyme test

    3. Germination test

    4. a & c

  19. Researchers describe seed moisture contents in terms of :

    1. Dry weight

    2. Wet weight

    3. Percent weight

    4. a & b

  20. Controlled inhibition of seed is termed as:

    1. Priming

    2. Soaking

    3. Chilling

    4. None of above

  21. Celery and lettuce at high temperature become

    1. Photodormant

    2. Thermodormant

    3. Ecodormant

    4. Non dormant

  22. Excessive soil moisture, late in the season cause.

    1. Decrease in TSS decrease in dry matter

    2. Increase in TSS decrease in dry matter

    3. Decrease in TSS increase in dry matter

    4. None of above

  23. Most of following category crops are shallow rooted

    1. Summer

    2. Winter

    3. Off season

    4. All of above

  24. Deep rooted vegetables require:

    1. Less frequent irrigation

    2. More water at each irrigation

    3. Both a & b

    4. None of above

  25. Fruit of following vegetables is edible:

    1. Summer

    2. Winter

    3. Cruciferous

    4. All of above

  26. Mulches are mainly used to reduce

    1. Transpiration

    2. Evaporation

    3. Evapotranspiration

    4. All of above

  27. What type of mulches reduce soil temperature?

    1. Organic mulch

    2. Gray polythene

    3. Black polythene

    4. Transparent polythene

  28. For hybrid seed production flowers are completely suppressed on female

    1. Staminate

    2. Pistillate

    3. Staminode

    4. Alternate

  29. Recommended cucumber cultivars under tunnel production technology are:

    1. Monoecious

    2. Gynoecious

    3. Andromonoecious

    4. Gynomonoecious

  30. Flowering in water melon is unaffected by light duration as it is:

    1. Short day long night plant

    2. Long day short night plant

    3. Day neutral plant

    4. None of the above

  31. Nature of pollination in cucurbits is:

    1. Highly cross pollinated

    2. Oftenly cross pollinated

    3. Highly self pollinated

    4. None of above

  32. Ginger is commonly cultivated as:

    1. Annual

    2. Biennial

    3. Perennial

    4. Biannaul

  33. Cross pollination is essential in following type of vegetables.

    1. Monoecious

    2. Dioecious

    3. Gynoecious

    4. Perigynous

  34. Cross pollination in plants bearing bisexual flowers is due to

    1. Dichogamy

    2. Herkogamy

    3. Heterostyly

    4. All of above

  35. In anemophilous plants, pollens are disseminated by means of:

    1. Insects

    2. Water

    3. Wind

    4. Gravity

  36. In pollen development Gametocides induces a problem of:

    1. Sterility

    2. Viability

    3. Fertility

    4. Mobility

  37. Production of seeds without fertilization is termed as:

    1. Parthenocarpy

    2. Parthenogenesis

    3. Gametogenesis

    4. All of above

  38. Most of the hybrid watermelon and cucumber are:

    1. Triproid

    2. Diploids

    3. Aneuploids

    4. Colchiploids

  39. Removal of off type plants from a seed field is termed as:

    1. Weeding

    2. Rouging

    3. Hoeing

    4. All of above

  40. The most important seed component affecting seed /viability during storage is:

    1. Temperature

    2. Humidity

    3. Moisture

    4. Food reserves

  41. Potato is generally propagated through

    1. Seed potato

    2. Potato seed

    3. True Potato Seed

    4. All of above

  42. Isolation during seed production is done by:

    1. Types (Varieties)

    2. Plantation at a distance

    3. Zoning

    4. All of above

  43. The most common pollinator insect in Pakistan is

    1. Syrphid fly

    2. Bumble bees

    3. Honey bees

    4. House fly

  44. Seed production in biennial vegetables is mostly done by:

    1. Seed to seed method

    2. In situ method

    3. Replanting method

    4. All of above

  45. Male sterily is not due to

    1. Genetic factor

    2. Genome factor

    3. Cytogenetic factor

    4. Nutritional factor

  46. Hybrid vigor in vegetables is manifested by

    1. High yield

    2. Uniformity in size

    3. Uniformity in maturity

    4. All of above

  47. Water melon for seed should be harvested when

    1. Tendrils wither

    2. Skin color is green

    3. Skin color is pale yellow

    4. Vine dry out

  48. In Pakistan, vegetables for seed production are harvested by:

    1. Manual method

    2. Machines

    3. Combine harvestors

    4. All of above

  49. During storage of vegetable seeds, seed moisture should be

    1. Less than 10%

    2. Equal to 10%

    3. Greater than 10%

    4. None of above

  50. The poorest seed storage capacity is in:

    1. Okra

    2. Peas

    3. Cucurbits

    4. Onion

51 Nitrates are absorbed at pH below :

  1. 5

  2. 6

  3. 7

  4. 8

  1. Hormones which control apical dominance are:

    1. Auxins

    2. Cytokinins

    3. Gibberellins

    4. Polyamines

  2. Tetraploid watermelon must be pollinated by plants to produce a seedless

    1. Triploid

    2. Aneuploid

    3. Diploid

    4. Tetraploid

  3. Which vegetable cannot be grown as an off season vegetable:

    1. Tomato

    2. Potato

    3. Chillies

    4. Cucumber

55 Lower temperature than normal convert male flowers into perfect flowers in :

  1. Date palm

  2. Mango

  3. Papaya

  4. Citrus

  1. Tomato is a crop.

    1. Self pollinated

    2. Insect pollinated

    3. Oftenly cross pollinated

    4. Wind pollinated

  2. Turmeric is propagated by:

    1. Corms

    2. Seed

    3. Rhizome

    4. Bulb

  3. Sweet potato is propagated by:

    1. Stem cuttings

    2. Tubers

    3. Roots

    4. a & b

  4. Self pollination is a form of:

    1. Inbreeding

    2. Out breeding

    3. Random mating

    4. None of these

  5. Cross pollination is associated with:

    1. Cleistogamy

      e. Chasmogamy

      1. Dichogamy

      2. Apogamy

  6. Completion of pollination and fertilization in unopened flower bud is termed as

    1. Chasmogamy

    2. Apogamy

      f. Cleistogamy

      c. Dichogamy

  7. Maturation of anthers and stigma at the same time refers to:

    g. Homogamy

    1. Chasmogamy

    2. Cleistogamy

    3. Dichogamy

  8. Fertilization after opining of flower refers to:

    1. Cleistogamy

      h. Chasmogamy

      1. Homogamy

      2. Herkogamy

  9. Male sterility promotes:

    1. Autogamy

    2. Allogamy

    3. Homogamy

      i. Chasmogamy

  10. Exposure of seed to low temperature before germination is termed as :

    1. Scarification

      j. Stratification

      1. Vernalization

      2. All of above

  11. Imbibed or germinated seeds subjected to cold temperature is termed as:

    1. Scarification

    2. Startification

      k. Vernalization

      c. Sterilization

  12. Which of following vegetable does not require specific low temperature before

    1. Beetroot

    2. Cabbage

    3. Onion

      l. Brinjal

  13. Edible part of cauliflower is :

    1. Flowers

    2. Flower bud

      m. Vegetative bud

      c. Inflorescence

  14. Edible portion of cabbage is

    1. Terminal bud

      n. Leaves

      1. Leaves + inflorescence

      2. All of above

  15. Cole crops are:

    o. Hardy

    1. Half hardy

    2. Non hardy

    3. Semi hardy

  16. Which of the following crop has lowest water contents:

    1. Cucumber

    2. Watermelon

    3. Bottle gourd

    1. Cauliflower

  17. The commercial variety of watermelon is:

    1. Sugar baby

    1. Red beauty

    2. Red king

    3. Sugary

  18. Vine of crop of bottle gourd is not staked during:

    r. Summer season

    1. Rainy season

    2. Early season

    3. Late season

  19. Which one is not the best source of protein?

    s. Potatoes

    1. Peas

    2. Beans

    3. Okra

  20. The cause of hotness in Chillies is:

    1. Cucurbitacin

      t. Capsaicin

      1. Allicin

      2. All of above

  21. Which crop is most susceptible to viral infection :

    1. Chilies

      1. Tomato

        1. Onion

        2. Brinjal

  22. Which of the following vegetable has a dioecious behaviour:

    1. Onion

    2. Cabbage

    3. Bitter gourd

      1. Spinach

  23. Consecutive use of garlic will reduce the level of:

    1. Cholesterol

      1. Sugar

      2. Uric acid

      3. None of above

  24. Bulb production in onion is dependent upon:

    1. Temperature

    2. Soil moisture

      1. Day length

      c. All of above

  25. Red colour of carrot is due to :

    1. Lycopene

      y. Carotene

      1. Anthocyanin

      2. Propanene

  26. Colour of carrot roots is affected by:

    1. Soil temperature

      z. Soil moisture

      1. Soil texture

      2. All of above

  27. Radish belongs to family:

    aa. Cruciferae

    1. Umbelliferae

    2. Leguminoseae

    3. Poaceae

  28. For an early harvest, cucurbits are grown on:

    1. Rocky soils

    2. Sandy soils

    3. Clayey soils

    4. Organic soils

  29. Tomato fruit is botanically a:

    1. Berry

    2. Pome

    3. Drupe

    4. Hip

  30. The portion of axis below the cotyledons in seed is:

    1. Micropyl

    2. Hypocotyl

    3. Epicotyl

    4. None of above

  31. Which type of flowers can not produce seeds and / or fruit?

    1. Pistillate

    2. Perfect

    3. Hermaphrodite

    4. Staminate

  32. Degeneration of above ground parts in ginger is due to


    b. Maturity
    c.Partial senescence
    d.Over ripening

  33. In spinach, pollination takes place by means of:

    1. Water

    2. Insects

    3. Birds

    4. Wind

  34. Tender crop cannot tolerate a minimum temperature of

    1. -2°C

    2. -1°C

    3. 0°C

    4. All of above

  35. Optimum temperature for cool season vegetables is:

    a. 25-30°C

    b. 25-27°C

    c. 18-24°C

    d. 15-20°C

  36. Which one is not an appropriate approach to control frost?

    1. Avoidance

    2. Reduction of heat loss

    3. Addition of heat

    4. Transmittance of control

  37. Tomato, chillies and brinjal are grouped as

    1. Cole crops

    2. Fruit crops

    3. Solanaceous crops

    4. Summer crops

  38. Color development in tomato fruit is due to

    1. Lycopene

    2. Carotenoid

    3. Polypropylene

    4. All of above

  39. Cucurbits consumed at immature stage are grouped under:

    1. Summer squashes

    2. Winter squashes

    3. Gourds

    4. Pumpkins

  40. Almost all vegetables are dioeceous with respect to flower.

    1. Summer

    2. Winter

    3. Both of these

    4. None of these

  41. Term vine yard is used for:

    1. Grape plantation

    2. Citrus plantation

    3. Mango plantation

    4. None of these

  42. Term viticulture is used for:

    1. Grape cultivation

    2. Citrus cultivation

    3. Mango cultivation

    4. None of these

  43. Home gardening deals with vegetable production for:

    1. Home consumption

    2. For local market

    3. At commercial level

    4. All of these

  44. Truck gardening means vegetable production for:

    1. Distant places

    2. Industry

    3. Local market

    4. None of these

100 Tip burn of lettuce occurs at high air temperature when the soil is :

  1. Cool

  2. Dry

  3. Hot

  4. Wet

    1. Organic crop cultivation is :

      1. With fertilizers

      2. Without fertilizers

      3. With organic manures

      4. None of these

    2. Thinning in vegetables is practiced to maintain:

      1. Plant x Plant distance

      2. Line x Line distance

      3. Both of these

      4. None of these

    3. Transplanting means

      1. Shifting of seedlings

      2. Shifting of large plants

      3. Shifting of potted plants

      4. All of these

    4. Shrubs fall in the category of

      1. 715 feet high

      2. 25 feet high

      3. More than 25 feet

      4. None of these

    5. Deciduous plants are mostly grown in

      1. Hilly area

      2. In plains

      3. Along rivers

      4. None of these

    6. Vine mean climbing/trailing plants with

      1. Herbaceous stem

      2. Woody stem

      3. Both of these

      4. None of these

    7. Monoecious plants have male and female sexes/flowers on

      1. Same plant

      2. Different plants

      3. Both of these

      4. None of these

    8. Hardy crops /plants are acclimatized against

      1. Frost

      2. Extreme heat

      3. Both of these

      4. None of these

    9. True fruits developed from

      1. Ovary

      2. Thalamus

      3. Pericarp

      4. All of these

    10. Drupe fruits have all the three ovarian layers

      1. Fused

      2. Separated

      3. Mixed

      4. None of these

    11. Creeping vegetables crops are grown on

      1. Beds

      2. Ridges

      3. Flats

      4. All of these

    12. Mango is a

  5. Drupe fruit

  1. Pome fruit

  2. Berry fruit

  3. Aggregate fruit

  1. Citrus is a special type of

    f. Berry

    1. Pome

    2. Drupe

    3. None of these

  2. Dicots could be identified on the basis of:

    g. Reticulate leaf venations

    1. Parallel venations

    2. No leaf venations

    3. None of these

  3. In binomial nomenclature system, 1st name is:

    h. Genus name

    1. Spp. name

    2. Family name

    3. Sub. Family name

  4. Most of the summer vegetables belong to family:

    1. Solanaecae

      1. Cucurbitaceae

    2. Malvaceae

    3. Poaceae

  5. Cultivar means

    1. Some cultivated variety

    1. Discarded variety

    2. Rejected variety

    3. Approved variety

  6. Pears and beans are rich source of:

    1. Carbohydrates

      k. Protein

      1. Both

      2. None of these

  7. Potato and sweet potato are well known for

    l. Carbohydrates

    1. Proteins

    2. Vitamins

    3. All of these

  8. Leafy vegetables provide

    m. Iron

    1. Carbohydrates

    2. Protein

    3. None of these

  9. Iron is a carrier of

    n. Oxygen

    1. CO2

    2. Both of these

    3. None of these

  10. Vitamin A is effective against

    o. Night blindness

    1. Beri beri disease

    2. Gum problems

    3. None of these

  11. Carrot is a rich source of vitamin:

    p. Vitamin A

    1. Vitamin C

    2. Vitamin D

    3. Vitamin E

  12. Cole crops are comprised of:

    1. Cauliflower

    2. Cabbage

    3. Knol Khol

      q. All of these

  13. Salad crops are

    1. Lettuce

    2. Radish

    3. Cabbage

      r. All of these

  14. Which of the following crop is grown sexually

    1. Potato

    2. Garlic

      s. Onion

      c. Turmeric

  15. Tomato varieties are mainly:

    1. Indeterminate type

    2. Determinate type

      t. Both types

      c. None of these

  16. Fertigation refers to the application of fertilizer with

    1. Water

      1. Rain

      2. Both of these

      3. None of these

  17. In hydroponic system plants are grown in

    1. Water

    1. Soil

    2. Sand

    3. Gravels

  18. Through drip we can provide

    1. Water

    2. Fertilizer

      w. Both of the above

      c. None of these

  19. Nitrogen in vegetables is needed for

    x. Vegetative growth

    1. Ripening /maturity

    2. Reproductive growth

    3. None of these

  20. Seed potato seed has

    y. Dormancy

    1. Rest period

    2. Both of these

    3. None of these

  21. Carrot and coriander belong to the family

    z. Umbelliferae

    1. Crucifereae

    2. Cucurbitaceae

    3. None of these

  22. Potato belong to the family

    aa. Solanaceae

    1. Umbelliferae

    2. Cruciferae

    3. None of these

  23. Melons belong to the family

    1. Cucurbitaceae

    2. Solanaceae

    3. Crucifereae

    4. None of these

  24. Melons have seeds in

    e. Cavity/centre

    1. Scattered

    2. Both type may be

    3. None of these

  25. Cantaloupe belongs to the group:

    1. Cucurbits

      f. Melons

      1. Gourds

      2. Squashes

  26. Hybrid varieties of cucumber grown in tunnels are:

    g. Parthenocarpic

    1. Zygotic

    2. Both types

    3. None of these

  27. Staking of vines in rainy season is done to avoid:

    1. Insect attack

      h. Disease attack

      1. Sunscald

      2. None of these

  28. Optimum temperature for potato tuber formation is

    i. 2022°C
    a. 25-30°C

    b. 22-25°C

    c. All of these

  29. Tuber initiation in potato starts after

    j. 7th week

    1. 9th week

    2. 5th week

    3. 4th week

  30. Color of carrot depends upon

    1. Age

    2. Variety

    3. Season

      1. All of these

  31. Splitting of carrot is due to

    1. Fresh manure

    1. Heavy fertilizer

    2. Less fertilizer

    3. None of these

  32. High temperature in chillies causes

    1. Flower drop

    2. Fruit drop

      m. Both of the above

      c. None of these

  33. Early blight and late blight of potato are

    n. Fungal disease

    1. Viral disease

    2. Bacterial disease

    3. Disorders

  34. Potato dormancy can be broken through

    1. Chemical treatment

    2. Low temperature

      o. Both of these

      c. None of these

  35. Dormancy period in potato is about

    1. 2 Months

    2. 1 Month

      p. 3 Months

      c. ½ Month

  36. Seed rate/acre in potato for autumn crop is

    q. 9001100 Kg

    1. 500 Kg

    2. 400 Kg

    3. 100 Kg

  37. Potato cut tuber are used for planting during

    1. Autumn crop

      r. Spring crop

      1. Both of above

      2. None of above

  38. Hollow heart of potato is a

    1. Disease

      s. Disorder

      1. Insect attack

      2. Deficiency

  39. Potato tubers become green if

    t. Exposed to light

    1. Attacked by insect

    2. Infected

    3. None of these

  40. Virus free seeds of potato are produced in

    1. Hilly areas

      1. Spring crop

      2. In plains

      3. Autumn crop

  41. Okra belongs to family

    1. Malvaceae

    1. Solanaceae

    2. Cucurbitacaea

    3. Chenopodiaceae

  42. Desiree and Cardinal are varieties of

    1. Carrot

      1. Potato

        1. Radish

        2. Peas

  43. Which of the following vegetable is directly seeded in field:

    1. Chillies

    2. Tomato

    3. Brinjal

      1. Peas

  44. Buttoning is a disorder of

    1. Cauliflower

    1. Peas

    2. Potato

    3. Tomato

  45. Production of very small sized heads in cauliflower is called

    z. Buttoning

    1. Belting

    2. Both of these

    3. None of these

  46. Development of seed stalks earlier in biennial crops is called

    1. Bolting

    2. Buttoning

    3. Greening

    4. None of these

  47. Bolting in biennial crops is due to

    e. Low temperature exposure

    1. High temperature exposure

    2. Both of these

    3. None of these

  48. Quality seed carrot is produced through

    1. Seed to seed method

    2. Toping in situ method

      f. Steeklings

      c. None of these

  49. Bloosom end rot of tomato is due to

    1. Infection/disease

      g. Boron/ Ca. deficiency

      1. Insect attack

      2. Nutritional deficiency

  50. Vegetables belonging to the cross pollinated group is

    1. Peas

    2. Tomato

    3. a & b

      h. Cabbage

  51. White brinjals are commonly grown for:

    i. Ornamental purpose

    1. Salad purpose

    2. a + b

    3. None of these

  52. Tunnels for vegetable forcing are categorized as

    1. High type

    2. Low type

    3. Walk in type

      1. All of these

  53. Storage life of vegetables increased by the use of GA spray at harvesting time

    1. 50 ppm

    1. 100 ppm

    2. 200 ppm

    3. None of above

  54. Dormancy of seeds are broken by

    l. GA

    1. Ethylene

    2. Water

    3. None of above

  55. Femaleness in cucumber is induced by :

    1. GA

    2. ABA

    3. IBA

      m. None of above

  56. Maleness in cucumber is induced by :

    n. GA

    1. ABA

    2. IBA

    3. None of above

  57. Plants, protein, RNA, DNA contents are increased by

    1. Auxins

    2. Adenine

      o. Cytokinins

      c. None of above

  58. Most of the cucurbits are:

    p. Salt tolerant

    1. Salt sensitive

    2. a & b

    3. None

  59. Most commonly used growth retardants are

    q. Phosphon

    1. MH

    2. Caumarin

    3. None of above

  60. Alar significantly increased fruit.

    1. Size

    2. Color

    3. Weight

      1. All of above

  61. In green plants light favour the formation of

    1. Auxin

    1. GA

    2. ABA

    3. IBA

  62. Potato belongs to the family

    1. Umbliferae

    2. Cucribtacea

      t. Solanaceae

      c. Alliaceae

  63. Parthenocarpic cucumber develops due to:

    1. After pollination

      1. Without pollination

        1. None of above

        2. a & b

  64. Family solanaceae consist of these crops.

    1. Potato, Tomato, eggplant etc.

    1. Water melon, muskmelon, cucumber

    2. Turnip, Raddish, Carrot etc.

    3. None of above

  65. Which crop is reproduced sexually

    1. Ginger

    2. Turmeric

      w. Onion

      c. None of above

  66. Which crop propagated by asexual means:

    x. Sweet potato

    1. Chillies

    2. Cauliflower

    3. None of above

  67. Vegetables which grow during summer

    1. Turnip, Raddish

      y. Cucumber, watermelon

      1. Cauliflower, Cabbage

      2. None of above

  68. Vegetables which grow during winter

    1. Cole crops

    2. Cucurbits

    3. Root crops

      z. a & c

  69. These vegetables are mainly raised through nursery :

    aa. Tomato, Chillies

    1. Cucumber, watermelon

    2. Radish, turnip

    3. None of above

      183 Viscosity of the cytoplasm increases when temperature is :

      1. Low

      2. Medium

      3. High

      4. Very High

  70. Which vegetables is transplanted without earthen ball

    1. Cucumber,

    2. Watermelon

      e. Cauliflower

      c. None of above

  71. These vegetables are cross pollinated in nature

    f. Cauliflower, cabbage

    1. Spinach, Peas

    2. Raddish

    3. None of above

  72. Which vegetable is self pollinated

    g. Peas

    1. Cucumber

    2. Watermelon

    3. Sponge gourd

  73. The Botanical name of sweet pepper is

    1. Capsicum annum

    2. Capsicum fruitesence

      h. Capsicum groosum

      c. None of above

  74. Botanical seed of potato is

    1. Seed potato

      i. Potato seed

    2. None of above

    3. Slips

  75. The origin of the peas is

    1. Africa

      j. Asia

      1. America

      2. Europe

  76. New growth of plants need water for proper development:

    1. Low

    2. Medium

      k. High

      c. Very High

  77. Which vegetables consist of more concentration of Vit. A

    l. Carrot

    1. Fenogreek

    2. Potato

    3. Peas

  78. Which vegetable consist of more Vitamin C contents:

    m. Tomato

    1. Turnip

    2. Radish

    3. Cauliflower

  79. Which vegetable having high concentration of fats.

    1. Sweet potato, potato

    2. Water melon, musk melon

    3. Cabbage, Cauliflower

      n. None of above

  80. Which of the family is also named as Nightshade family:

    1. Alliace

    2. Cucurbitaceae

      o. Solanaceae

      c. None of above

  81. Which one of the following is a bulb crop:

    p. Garlic

    1. Potato

    2. Ginger

    3. Arum

  82. Botanical name of water melon is :

    q. Citrullus lanatus

    1. Citrllus vulgaris

    2. Citnullus fistulosis

    3. None of above

  83. Auxin antagonists compounds interact with auxins as:

    r. Counteract

    1. Increase

    2. Decrease

    3. None of the above

  84. The compounds which inhibit the activity of auxins are known as:

    1. Auxin antagonists

      s. Antiauxins

      1. Epinostic agent

      2. All of above

  85. Compounds possessing hormone like properties which have small molecular weight,
    are termed as :

    1. Auxins

    2. Gibberellins

      t. Kinins

      c. None of these

  86. Many in super optimal concentrations also act as growth inhibitors :

    1. Auxins

      1. Gibberellins

      2. Cytokinins

      3. All of above

  87. In plants auxin are mainly present in:

    1. Root tips

    2. Stem end

      1. Shoot tips

      c. Leaf margins

  88. Direction of plant growth is controlled by:

    w. Auxins

    1. Gibberellins

    2. Kinins

    3. All of above

  89. The amount of growth regulators present in naturally parthenocarpic fruits is:

    x. High

    1. Low

    2. Intermediate

    3. None of above

  90. Factors involved in the formation of auxins are:

    1. Age of apex

    2. Light

    3. Zinc

      y. All of the above

  91. Tumerous tissue cells are promising source of:

    1. Abscibic acid

      z. Kinin

      1. Alar

      2. Jasminoides

  92. Auxins have effective role in :

    1. Delay in flower opening

    2. Cell division

      aa. Reduction of pre harvest fruit drop

    3. All of the above

  93.                 have ability to alter the sex of the flowers:

    1. Auxins

    2. Gibberellins

    3. Kinins

    4. None of above

  94.                    can release lateral buds from apical dominance :

    1. Auxins

    2. Gibberellins

      e. Kinins

      a. None of above

  95. Leaf senescence can be retarded by the application of :

    1. Auxins

    2. Gibberellins

    3. Kinins

    4. Abscicic acid

  96. Growth retardants are the substances which slow down :

    1. Cell division

    2. Cell elongation

    3. a & b

    4. None of the above

  97. Auxin destruction activity is inhibited by :

    1. Blue light

      e. Red light

      1. Green light

      2. None of the above

  98. First and the heaviest flower drop in fruit plants occurs due to :

    1. Structural defects in the flowers

    2. Lack of pollination

    3. Non fertilization

      f. All of the above

  99. Salient factors which contribute to the fruit drop are:

    1. Embryo abortion

    2. Seed number of fruit

    3. Moisture supply

      g. All of the above

  100. Dormancy can be broken by the use of:

    1. Thiourea

    2. Ethlene chlorohydrin

    3. Ethylene acetylene

      h. All of the above

  101. Auxins as herbicides are supposed to be:

    1. Non toxic to animals and human beings

    2. Highly selective

    3. Exert their action at extremely low concentration

      i. All of the above

  102. Solanum melogena is locally known as :

    1. Tomato

    2. Potato

      j. Egg plant

      c. Chillies

  103. Why hardening is practiced in vegetables:

    1. To increase the yield

    2. To increase fruit colour

      k. To increase the resistance of the plant

      c. All of the above

  104. At fruit bud differentiation, nitrogen contents are :

    l. Low

    1. Medium`

    2. High

    3. Very high

  105. Word pomum means:

    m. Fruit

    1. Vegetable

    2. Flower

    3. None of these

  106. Chromose number of citrus is:









  107. Parthenocarpy refers to :

    1. Seedless fruits

      o. Fruit without pollination

      1. Seeds without pollination

      2. None of above

  108. Flower of grapes is technically called as:

    1. Umbel

    2. Recemose

    3. Clyptra

    4. None

  109. Anthesis of grapes complete at:

    1. Pedicel fall

    2. Calyx drop

      e. Cap fall

      a. None

  110. Date palm leaf is called:

    1. Simple leaf

    2. Long leaf

      f. Frond

      a. Pinna

  111. Dioecious, monocot fruit tree is:

    1. Banana

    2. Pomegranate

      g. Date palm

      a. Papaya

  112. Dicot, diecious fruit tree is:

    h. Papaya

    1. Date palm

    2. Mango

    3. Banana

  113. Monocot and monoecious fruit plant is:

    i. Banana

    1. Papaya

    2. Date palm

    3. None

  114. Tree fruit can tolerate a soil pH in the range of:









  115. Water potential in rhizosphere is measured with:

    k. Tensiometer

    1. Hygrometer

    2. pH meter

    3. Thermo meter

  116. Grape plant is technically called as:

    l. Liana

    1. Vine

    2. Creeper

    3. Bush

  117. Guava plant is technically categorized as:

    m. Bush

    1. Tree

    2. Herb

    3. None

  118. Citrus belongs to sub family:

    1. Citrea

    2. Clausnea

      n. Aurantioideae

      c. Citrae

  119. Citrus fruit is botanically:

    o. Hesperidium berry

    1. Pome fruit

    2. Climacteric fruit

    3. None

  120. Apple fruit develops from:

    p. Thalamus

    1. Ovary

    2. Ovule

    3. Pedicel

  121. A complete flower has:

    1. 5 whorls

    2. 3 whorls

    3. 2 whorls

      1. 4 whorls

  122. Kinnow seed is:

    1. Polyembryonic

    1. Monoembryonic

    2. Multiembryonic

    3. None

  123. Apomictic seedlings are also called as:

    s. Nucellar seedlings

    1. Sexual seedlings

    2. Embryonic seedlings

    3. None

  124. Cherry is a:

    1. Berry fruit

      t. Stone fruit

      1. Pome fruit

      2. Drupe

  125. Seed of strawberry fruit is:

    1. Achene

      1. True seed

      2. Viable seed

      3. Aborted seed

  126. Mulberry is a fruit of type:

    1. Multiple

    2. Berry

      1. Aggregate

      c. Peppo

  127. The biggest fruit plant containing family is:

    w. Rosaceae

    1. Citrea

    2. Leguminoseae

    3. Vitaceae

  128. Chilling injury in plants occurs at a temperature:

    1. <4°C

      x. <5°C

      1. <8°C

      2. <9°C

  129. Both Mango and Pistachio belongs to one family:

    y. Anacardiaceae

    1. Mangifera

    2. Gramineae

    3. None

  130. Date palm is also called as:

    z. Feather palm

    1. Wild palm

    2. Century palm

    3. Domestic palm

  131. Green hard stage of date fruit is:

    1. Kimri

    2. Rutab

    3. Doka

    4. Dung

  132. Date fruit for curring is harvested at:

    e. Rutab stage

    1. Tamar stage

    2. Dung stage

    3. None

  133. Banana fruit is called as

    f. Finger

    1. Hand

    2. Heart

    3. None

  134. Peaches belongs to family

    g. Rosaceae

    1. Rutaceae

    2. Palmaceae

    3. None

  135. Kumquat fruit is edible

    h. Whole fruit

    1. Without peel

    2. With seed

    3. None

  136. Guava is a rich source of

    1. Vitamin C

    2. Pectin

    3. a & b

    4. Sugar

  137. Common rootstock for citrus in Punjab

    i. Rough lemon

    1. Sour orange

    2. Sweet orange

    3. Sweet lime

  138. Pruning is a regular practice in date palm variety

    1. Hillawi

    2. Khudrawi

      j. Deglet Noor

      c. Hillini

  139. Excess of N in citrus plant may cause

    1. Leaf drop

    2. Lodging

      k. Flower drop

      c. Fruit drop

  140. Alternate bearing is a problem of following fruit crops

    1. Mango

    2. Apple

    3. Citrus

      l. All of above

  141. Citrus can tolerate a salinity level

    1. pH 9.0

      m. pH 8.5

      1. pH 7.5

      2. pH 4.5

  142. Male inflorescence of Cashew nut and Walnut is called

    n. Catkins

    1. Rachis

    2. Cyme

    3. None

  143. “Hari” is a rootstock for

    1. Walnut

      o. Apricot

      1. Mulberry

      2. None

  144. Apple bears on

    1. Shoots

    2. Sprigs

      p. Spurs

      c. Twigs

  145. Bearing habit of mango is

    q. Terminal

    1. Lateral

    2. Axillary

    3. Basal

  146. Polyembryony means

    1. One embryo

    2. Two embryo

    3. More than two embryo

      r. More than three embryo

  147. Head in fire, foot in water is a proverb for

    1. Olive

    2. Coconut

      s. Date palm

      c. None

  148. Pears are

    1. Universally self compatible

      t. Universally self incompatible

      1. Gross compatible

      2. None

  149. Quince is a common rootstock for

    1. Peach

    2. Plum

      u. Pear

      c. Pomegranate

  150. Parienth is the fnion of

    1. Calyx and Corolla

    2. Pedicel and Thalamus

    3. Stamen and Stigma

    4. Style and Ovary

  151. Spur is defined as

    1. Mature productive wood

    2. Inmature juvenile wood

    3. a & b

      1. Mature wood with rosette head

  152. Chimera refers to

    1. Somatic cell fusion

    1. Gametic cell fusion

    2. Undiffereciated cell

    3. None

  153. Metaxenia is the impact of

    1. Pollen on seed

      g. Pollen on fruit

      1. Pollen on ovule

      2. Pollen on ovary

  154. Senescence is a stage of

    h. Tissue decay

    1. Tissue multiplication

    2. Tissue vigour

    3. Tissue ripening

  155. Rest is a natural process in

    1. Seed

      i. Seed & plant

    2. Plant

    3. Tropical plant

  156. Dormancy in plant and seed is mainly due to

    1. Environmental factor

    2. Physiological factor

    3. a & b

    4. None

  157. Petiole is a main part of

    1. Flower

      j. Leaf

      1. Inflorescence

      2. Twig

  158. Micropyle is an opening in

    1. Stomata

      k. Seed

      1. Ovary

      2. Flower

  159. Skirt in date palm fruit is

    1. Exocarp

    2. Merocarp

      l. Endocarp

      c. Seed

  160. Recommended matrix height in citrus is

    1. 4 inches

    2. 6 inches

      m. 9 inches

      c. 12 inches

  161. Common rootstock used for sweet orange in NWFP.

    n. Sour orange

    1. Rough lemon

    2. Citrumello

    3. None

  162. Berry splitting in citrus and strawberry is due to

    o. High temperature

    1. Low moisture

    2. High sunlight

    3. High air pressure

  163. Mango varieties in Pakistan are

    p. Monoembryonic

    1. Polyembryonic

    2. Mono to Polyembryonic

    3. None

  164. Asexually apple rootstocks is raised by

    1. Grafting

    2. Budding

      q. Stooling

      c. Layering

  165. Lemons and limes can also be propagated by

    1. Layering

    2. Cuttings

    3. a & b

    4. None

  166. Common rootstocks for apple in Pakistan

    1. M-7

    2. M-9

      r. Crab apple

      c. Sky spur

  167. Systematic pomology deals with

    1. Commercial fruit production

      s. Nomenclature

      1. Domestic production

      2. Export production

  168. The Genus Fortunella include :

    1. 7 spp.

    2. 6 spp.

    3. 5 spp.

      1. 4 spp.

  169. Genus Poncirus has

    1. 1 spp.

      1. 3 spp.

      2. 6 spp.

      3. 16 spp.

  170. Best time of propagation of fruit plants in sub tropical region is :

    1. Spring season

    1. Spring & autum season

    2. Summer season

    3. Summer and winter season

  171. Major insect attacking the summer crop of guava during summer crop is :

    1. White fly

    2. Fire fly

      w. Fruit fly

      c. Drosophilla fly

  172. Grapevine needs :

    x. Bulk pruning

    1. Light pruning

    2. Moderate pruning

    3. No pruning

  173. A self supporting vine type stem is called.

    1. Vine

    2. Shrub

    3. Herb

      y. Liana

  174. Edible part of pomegranate is

    1. Seed

    2. Vesicles

    3. Mesocarp

      a. Aril

  175. Apple and pears are classified as

    1. Drupe

    2. Pome

      1. Berry

      2. Hesperidium

  176. Nut fruits are derived from

    1. Epigynous flower

      c. Hypogynous flower

      1. Perigynous flower

      2. Hypo and perigynous flower

  177. Strawberry is a fruit of type.

    1. Multiple

    1. Achene

    2. Berry

    3. Aggregate

  178. The coldest region for citrus growing is

    1. U.S.A.

    2. New Zealand

    1. Australia

    2. Pakistan

  179. The three important genera of Anacardiaceae family are.

    1. Mangifera, Pistacia and Cocos

    2. Eugenia, Anacardium, Pistacia

      g. Pistacia, Mangifera, Anacardium

      c. Psidium, Aurantium, Mangifera

  180. Chromosome number of mango are

    h. n=20

    1. n=17

    2. n=8

    3. n=11

  181. Unfertile stamens of mango are called.

    1. Sterile

    2. Indehiscent

      1. Staminoides

    3. Pistilloids

  182. Mango flower carries fertile stamens which are.

    1. One

    1. One or two

    2. Three

    3. One or three

  183. Low temperature regime in summer which stops growth of mango is :

    1. 35°F

    2. 30°F

    3. 20°F

      1. 18°F

  184. Canary date differs from cultivated date in

    1. Length of fronds

    2. Arrangement of pinnus

    3. Thickness of stem

    4. Area of origin

  185. Wild dates (P. sylvestris) is important due to

    1. Nutritious fruit

    2. Sweetness of fruit

    3. Sugar production

      p. Medicinal value.

  186. Maximum production of date palm is in:

    1. Iran

    2. Algeria

    3. U.S.A.

      q. Iraq

  187. Apple belongs to the family

    1. Ancardiaceae

    2. Palmaea

    3. Rutaceae

      1. Rosaceae

  188. Apple is a fruit of

    1. Temperate region

    1. Sub tropical

    2. Tropical

    3. Temperate and sub tropical

  189. Apple flower has carpels like

    t. Five

    1. Six

    2. Seven

    3. One

  190. Date growth does not cease if temperature does not fall below:

    1. 0°C.

    2. 10°C

      1. 18°C

        a. 20°C

  191. Seedless date palm variety is:

    1. Hassaku

    1. Hillai

    2. Ajwa

    3. None

  192. Pruning is carried out in date palm variety:

    w. Deglet Noor

    1. Hillawi

    2. Khudrawi

    3. Ajwa

  193. Date palm propagation is by means of:

    x. Suckers

    1. Seeds

    2. Off shoots

    3. None

  194. Mushroom seed is called:

    y. Spawn

    1. Seed

    2. Button

    3. None

  195. Mushroom are cultivated on:

    1. On soil

    2. Hydroponic

      z. Dead mass

      c. On trees

  196. Banana plants are infected with:

    aa. Banana bunchy top

    1. Anthracnose of stem

    2. Rhizome wilt

    3. None

  197. Banana fruit bunch is called:

    1. Hand

    2. Heart

    3. Finger

    4. All of above

  198. Banana plant bears in it’s life time:

    e. Once in life

    1. Twice in life

    2. Multiple times

    3. All of above

  199. Banana propagation is carried out through:

    f. Sword sucker

    1. Water suckers

    2. Aerial suckers

    3. All of above

  200. Banana is a fruit type of:

    1. Non climacteric

      g. Climacteric

      1. Recurrent climacteric

      2. All of above

  201. Apple and pear belongs to:

    1. Same genus

      h. Different sub genus

      1. Different genera

      2. All of above

  202. Apple is a rich source of mineral:

    1. Carbohydrates

    2. Proteins

    3. Vita-A

      i. Iron

  203. Apple bears on spurs in cluster of:

    1. 3 Flowers

    2. 4 Flowers

      j. 5 Flowers

      c. More than all above

  204. Apple flower is distinguished from pear flower:

    1. Due to its colour

    2. Due to its size

    3. a & b

    4. None

  205. Honey extracted from almond flower is inedible due to:

    k. Amygdalus factor

    1. Oxalic acid

    2. a & b

    3. None

  206. Almond and peach belongs to:

    1. Same genus and spp.

      l. Some germs & different spp.

      1. Different genus & different spp.

      2. All of above

  207. Different mango varieties can be distinguished on the basis of:

    m. New leaf colour

    1. Panicle length

    2. Number of male flowers

    3. All of above

  208. Salt tolerant fruit plants are:

    1. Date and Ber

    2. Ber and Guava

      n. a & b

      c. None

  209. Adopted planting system of orchard in Pakistan is:

    o. Square system

    1. Rectangular system

    2. Hexagonal system

    3. All of above

  210. RCBD stands for:

    1. Repeated control block design

    2. Reported complete block design

      p. Randomized complete block design

      c. All of above

  211. Nitrogen in plant sample is estimated by:

    1. Refreshrometer

      q. Kjeldhal’s apparatus

      1. Spectrophotometer

      2. All of above

  212. Jaman has a medicinal value against:

    r. Diabetes

    1. Cancer

    2. Blindness

    3. All of above

  213. Chinese layering is practiced in:

    1. Mulberry

    2. Strawberry

      s. Litchi

      c. All of above

  214. Abscission in fruit occur due to:

    t. Excessive abscissic acid

    1. Excessive Ghrtamic acid

    2. Excessive Lactic acid

    3. Excessive Citric acid

  215. Button in citrus fruit is:

    1. Calyx at base

    2. Calyx at apex

    3. a & b

    4. All of above

  216. Pomology is a study of

    1. Fruit plants

      1. Pome fruit

      2. Medicinal plants

      3. Deciduous plants

  217. The microsporogenesis is the formation of

  1. Male gamete

  1. Female gamtete

  2. Female and male gamete

  3. Non of these

330 Physiological aging activity in which plant tissues degenerate and ultimately die is called

  1. Senescence

  2. Ripening

  3. Climacteric

  4. Degeneration

  1. Plants response to the relative length of daylight or darkness is known as:

    1. long day

    2. Short day

    3. Neutral

      e. Photoperiodism

  2. Abscisic acid (ABA) is natural plant hormone, which:

    1. Promote the growth

    2. Initiate the ripening

    3. Induce the fruit maturity

      f. retards the growth

  3. The development of fruit without fertilization or seed is called as:

    1. Pollination

    2. polyembryony

    3. pseudogamy

      g. Parthenocarpy

  4. The commercial yield of citrus orchards in tropical and subtropical are commonly:

    1. Equal

h. 50% less in tropical than subtropical regions

  1. 50% more in tropical than subtropical regions

  2. All wrong

335 High nitrate supply helps to maximum carbohydrates:

  1. Utilize

  1. Store

  2. Synthesize

  3. Increase

  1. Nuceller seedlings are also called as:

    1. Monoembryony

    2. Zygotic seedling

      j. Polyembryony

      c. None of them

  2. A change in genetic constitution, which arises suddenly and not to segregation and
    recombination of genes in sexual reproduction is called as:

    1. Hybridization

    2. Bud variation

      k. Mutation

      c. Non of them

  3. Spongy tissue in mango is due to

    1. Fungul disease

    2. Viral disease

    3. Bacterial disease

      l. Physiological disorder

  4. The soil moisture conservation technique under covered ground area is called:

    1. Fertigation

      m. Mulching

      1. Microjet irrigation

      2. Hydraulic

  5. Bananas main portion which remains above the ground is called as:

    1. Stem

    2. Rhizome

      n. Pseudostem

      c. Crown

  6. Low temperature helps to growth inhibitors:

    1. Increase

      o. Decrease

      1. Store

      2. Produce

  7. Gross Michel is high yielding variety of:

    1. Papaya

    2. Grapes

      p. Banana

      c. Litchi

  8. Shamber is variety of Grape fruit in which pulp is;

    q. Pigmented and seedless

    1. White and seedless

    2. Pigmented but seeded

    3. White and seeded

  9. The foster is variety of :

    1. Mandarin

    2. Sweet orange

    3. Pummelos

      r. Grape fruit

  10. The non-climacteric fruit is

    1. Banana

    2. Mango

    3. Apple

      1. Citrus

  11. Bunchy top disease in banana is said to be due to:

  1. Virus

  1. Insects

  2. improper storage

  3. fungus

347 Severe pruning in grapes is recommended:

  1. Every year

    1. After two year

    2. After three year

    3. None of them

    1. King of temperate fruit is:

      1. Mango

      2. Citrus

      3. Banana

  2. Apple

  1. Reproduction of plants through seeds are also called:

    1. Asexual propagation

    2. Vegetative propagation

      w. Sexual propagation

      c. Tissue culture

  2. The plants shed their leaves during autumn are called;

    1. Evergreen

      x. Deciduous

      1. Hardy plants

      2. Non of them

  3. Ripened ovary is called as:

    1. Flower

    2. Seed

      y. Fruit

      c. Embryo

  4. Pollination between two such flowers situated on the same plant is known

    1. Autogamy

      z. Allogamy

      1. Cross pollinated

      2. None of these

  5. A good example of dioecious plant is

    1. Apricot

    2. Pear

    3. Plum

    4. Papaya

  6. Sensation is the variety of:

    1. Sweet orange

    2. Grape fruit

    3. Mandarin

      1. Mango

  7. Tomato nursery established during September could be transplanted in the field during


    1. October

    1. November

    2. November/December

    3. January/February

  8. The variety originated from a cross of King X Willow leaf is:

    1. Clementine

    2. Fair child

    3. Feutrell’s early

      1. Kinnow

  9. Causes of misshapen and angularity in cucumber fruit under tunnel is due to

    1. Poor pollination

    1. Poor fertilization

    2. Proper pollination

    3. None

  10. In citrus 80-90% of the active roots are present in the soil to a depth of:

    1. 25 cm

    2. 50 cm

    3. 75 cm

    4. 100 cm

  11. Fleshy fruit with thin skin, not formed from the ovary but from another part of the
    plant is known as:

    1. Berry

    2. Drupe

    3. Stone fruit

    4. Pome

  12. The fruits which do not naturally open to shed seed are known as:

    1. Dehiscent fruit

    2. Fleshy fruit

    3. Dry fruit

      1. Indehiscent fruit

  13. The example of above ground modified stem is

    1. stolons

    1. Corms

    2. Tuber

    3. Rhizome

  14. Edges of the leaf are called

    g. Margin

    1. Midrib

    2. Veins

    3. Petiole

  15. In citrus, 2n chromosome number is

    1. 18

    2. 22

    3. 33

    4. 20

  16. Botanical name of sweet orange is

    1. C. citrii

    2. C. chinensis

      h. C. sinensis

      c. Non of them

  17. Sweet orange requires

    1. Dry and semi arid conditions

      i. Dry and sub humid conditions

    2. Wet and sub humid conditions

      b. Non of these

  18. Zinc deficiency is sweet orange causes

    1. Chlorosis in fruit

      j. Chlorosis in leaves

      1. Streaks on leaves

      2. sweetness of fruit.

  19. Antagonistic effect of Fe on Zn availability in sweet orange causes:

    1. Leaf drop

    2. Fruit drop

    3. Reduce fruit weigh

      1. Zn deficiency

  20. Blooming in mango occurs:

    1. February to Mid April

    1. January to first week of February

    2. September-October

    3. May – June

  21. The whole inflorescence in mango is called as

    1. Spike

      m. Panicle

      1. Spath

      2. Non of these

  22. High seed germination in cucumber occurs under temperature range of:
    n. 20-25°C

    a. 25-30°C

    b. 15-25°C

    c. None of above

  23. Maximum number of flowers in mango are borne on

    1. August flush

    2. June flush

    3. May flush

      o. April flesh

  24. The fruit of mango is

    1. False fruit

    2. Pome fruit

      p. Drupe fruit

      c. Stone fruit

  25. Inarching is also called as

    1. cutting

    2. Budding

      q. approach grafting

      c. non of these

  26. Anthracnose of mango is:

    r. Fungal disease

    1. Viral disease

    2. Physiological disorder

    3. Non of these

  27. One year old branch of plant is

    1. sprigs

    2. Mature branch

      s. twigs

      c. Non of these

  28. Guava is grown on large scale in

    1. Quatta

    2. Multan area

      t. Sheikhupura area

      c. Bahal pur area

  29. All commercial date palm orchards in Pakistan are pollinated by

    1. Insects

    2. Winds

    3. Natural

      u. Manual

  30. Umran No. 9 and 13 are the varieties of

    1. Loquat

    2. Grapes

    3. Banana

    4. Ber

  31. Flower bearing in ber occurs during

    1. Spring

    2. Winter

    3. Summer

      1. Autumn

  32. East Malling is a root stock for

    1. Apple

    2. Loquat

    1. Musambi

    2. Pine apple

  33. Low chilling verities of apple

    1. Tropical Beauty

    2. Enna

    3. Non of these

    4. All of these

  34. Stooling is also called as

    1. Sexual propagatiobn

    2. Cutting

    3. Gooti layering

      e. Mound layering

  35. Good soil management ensures

    1. Good supply of organic matter

    2. Prevent the soil erosion

    3. Preserves moisture

      1. All of the these

  36. Apple require relatively

    1. High K and low P

    1. High P and low K

    2. Equal K and P

    3. No K and P

  37. Full grown apple tree requires

    1. No FYM

    2. Very low FYM

    3. 40-50 Kg FYM

      h. 80-100Kg FYM

  38. Irrigation during blooming in apple

    1. Help to increase the fruit set

      i. Harm full to fruit set

    2. Shows no response

    3. Reduce the fruit development

  39. Cross pollinated in apple generally produce

    1. Bad results than self pollinated

      j. Better results than self pollinated

      1. Same results as self pollinated

      2. Non of these

  40. In sweet orange pre-harvest fruit drop is

    1. Seldom experienced

    2. Never experienced

    3. common experienced

      1. Problems of the area

  41. The sweet orange is a

    1. Loose skinned

    2. Tight skinned

    1. Both of them

    2. Non of these

  42. Sweet orange belongs to the family

    1. Malvaceae

    2. Rotaceae

    3. Rutaceae

    4. Chenopodiaceae

  43. Citrus reticulat Blanco is the botanical name for

    1. Sour lime

    2. Mandarin

    3. Both of a and b

    4. None of these

  44. Tap roots of plants are also called as

    1. Secondary roots

    2. Adventitious roots

      e. Primary roots

      c. Tertiary roots

  45. The parts of stem from which a leaf arises is called

    f. Node

    1. Internodes

    2. Apex

    3. Bud

  46. The plants which live for only a single season are called

    1. Herbs

    2. Perennials

    3. Biennials

      1. Annuals

  47. Plants, soft and green, and can be easily bent is known

    1. Herbaceous

    1. Woody

    2. Shrubs

    3. Non of these

  48. The bud which develop into the axils of a leaf is

    i. Axillary buds

    1. Terminal buds

    2. Adventitious buds

    3. Naked buds

  49. In some plants the buds contain both leaves and flowers and known as

    1. Leaf buds

    2. Flower buds

    3. Scaly buds

      1. Mixed buds

  50. A slender trailing stem taking roots at the node is

    1. Runner

    1. Rhizome

    2. Tuber

    3. Bulbs

  51. The stamens are the male organs of flower which are also called

    1. Pistil

    2. Gynoecium

      l. Androecium

      c. Carpel

  52. Special leaf which bears a flower or cluster of flowers in its axils is called

    m. Bracts

    1. Compound leaf

    2. Simple leaf

    3. Non of these

  53. The terminal part of the pedicel bearing the sepals, petals, stamens and carpals is called

    1. Pedicel

    2. Inflorescence

      n. Thalamus

      c. Non of these

  54. Peduncle is a main axis of the

    1. leaf

    2. Flower

      o. Inflorescence

      c. Bud

  55. An inflorescence in which the pedicels of the flowers arises from the same points as

    p. Umbel

    1. Spike

    2. Catkin

    3. Uninate

  56. A group of flowers on an axis is called

    q. Solitary axillary flower

    1. Solitary terminal flower

    2. Inflorescence

    3. Modified flower

  57. The nutritive tissue around the embryo in seed is

    1. Endosmosis

    2. Endodermis

      r. Endosperm

      c. Embryo-sac

  58. Bracts situated out side the calyx in certain flowers are called

    s. Epicalyx

    1. Epibasal

    2. Epicarp

    3. Epidermis

  59. The germination of seed in which cotyledons come above ground is

    t. Epigeal

    1. Hypogeal

    2. Epigynous

    3. Epipetalous

  60. A sexual cell in plants is called

    1. Gamete

      1. Gametophyte

      2. Gamopetalous

      3. Gamosepalous

  61. A flower which has all the usual parts sepals, petals, stamens and carpel is called

    1. hermaphrodite

      1. Complete

      1. Pistilate

      2. Incomplete

  62. The situation in which a plant grows wild is called

    1. Habitat

    2. Halophytes

    3. Helicoids

    4. Haustorium’s

  63. Proteins are most complex organic compounds, containing

    1. Carbon

    2. Hydrogen

    3. oxygen and nitrogen

      e. All of these

  64. Pine apple is a source of

    1. Vitamin C

    2. Vitamin A

    3. Vitamin B

      f. All of these

  65. Papaya is still being commercially propagated from

    1. Cutting

    2. Suckers

      g. Seeds

      c. Grafting

  66. For good pollination in papaya orchard it is necessary that male plants should be
    h. 5-10%

    a. 40-45%

    b. 50-55%

    c. 70-75%

    415: Silver Oak belongs to family:

    1. Rosaceae

    2. Palmae

    3. Oleaceae

i. Proteaceae

416: Pollination in tomatoes under tunnel production is carried out by:

  1. Honey bees

  2. Bumble bees

  3. House flies

j. Vibration

417: Dwarfing rootstock for apple in heavy soils is:

a. M-7

k. M-9

  1. M-11

  2. Crab apple

418: Rate of ethylene production in citrus is comparatively than in mango.

a. Higher

l. Lower

  1. Equal

  2. Unknown

419: Lemons are usually degreened at:

  1. 6°C

  2. 16°C

  3. 26°C

  4. 30°C

420: Postharvest fungicidal treatment of mango fruit is done with:

m. Thiobendazole (TBZ)

  1. Ethylene Dibromide (EDB)

  2. Above both

  3. None of above

421: variety of apple is reported to perform well at lower altitudes.

n. Enna

  1. Amri

  2. Diana

  3. Golden Delicious

422: Dhaki variety of date palm was originated in:

a. Sindh


  1. Balochistan

  2. Punjab

423: Which of the following vegetable crop is a relative of cotton:

a. Onion

p. Okra

  1. Mustard

  2. Brinjal

424: In pineapple sweet orange, fruit drop in month of June is upto:









425: Hodgson divided genus citrus into:

  1. 16 species

  2. 26 species

r. 36 species

c. More than 36 species

426: In Pakistan, yield of potato range between :

  1. 10-15 ton

  2. 15-20 ton

s. 2025 ton

c. 25-30 ton

427: Motia (ornamental) belongs to family:

t. Oleacecae

  1. Moraceae

  2. Rosaceae

  3. Nyctaginaceae

428: Rubber plant (ornamental) belongs to family:

a. Oleacecae

  1. Moraceae

    1. Rosaceae

    2. Nyctaginaceae

    429: Bougainvillea (ornamental) belongs to family:

    1. Oleacecae

    2. Moraceae

    3. Rosaceae

  2. Nyctaginaceae

430: Germination percentage in sour orange rootstock is:
a. 50-60%

a. 61-70%

b. 71-80%

c. 81-90%

431: In Kinnow mandarin, fruit drop in month of June is upto:









432: Following species of citrus can be propagated through cutting.

  1. Sweet orange

    x. Sweet lime

  2. Kaghzi lime

  3. Non of above

433: Following species of citrus can be propagated through layering.

  1. Sweet orange

  2. Sweet lime

y. Kaghzi lime

c. None of above

434: In Punjab, most of the fresh vegetable production is carried out:

  1. Near cities

  2. Near rivers

  3. Near canals

  4. All of above

435: Which of the following crop has high sulphur contents:

a. Garlic

e. Onion

  1. Radish

  2. None

436: During propagation through cuttings, which hormone(s) is/are used for root

a. ABA

f. Seradix

  1. NAA

  2. All above

437: Araucaria was originated from:

g. South Pacific

  1. South Asia

  2. Far East

  3. Middle East

438: Rubber plant can be propagated through:

  1. Aerial layering

  2. Cutting

h. All above

c. None of above

439: Silver Oak produces seeds after age of:

a. 1 year

  1. 5 years

  2. 10 years

b. 15 years

440: Which of the following plants are used for the extraction of scent?

  1. Rose

  2. Murva

  3. Citrus

  4. All of above

441: The first ever auxin discovered was:

  1. IBA

  2. IPA

e. IAA

c. None of above

442: Mowing of grasses in winter is recommended after:

  1. 20-30 days

  2. 30-40 days

  3. 40-50 days

f. Both ‘b’ and ‘c’

443: Major types of greenhouse are

  1. Even span

  2. Lean to

g. Odd span

c. a & b

444: At the time of transplanting, weight of date palm sucker should be:

a. 5-10 kg
h. 1020 kgb. 20-30 kg

c. Less than 5 kg

445: Following plant(s) is/are propagated through seed.

  1. Murva

  2. Bottle palm

  3. None of above

i. All above

446: Citrus seeds can be stored with Charcoal at following temperature in dry

a. 0-3°C

j. 3-10°C

b. 10-15°C

c. Above 15°C

447: Seed germination percentage of rough lemon is:

a. 50-60%

k. 6070%

b. 70-80%

c. 80-90%

448: Most serious insect/pest(s) of apple is/are:

l. Codling moth

  1. Fruit fly

  2. All above

  3. None of above

449: Postharvest fumigation of citrus used to be done with:

a. Thiobendazole (TBZ)

m. Ethylene Dibromide (EDB)

  1. Above both

  2. None of above

450: Soil compaction yield of potato.

a. Increases

n. Decreases

  1. Does not effect

  2. Unknown

451: Cost benefit ratio in potato production should range:

a. 1:5

b. 1:10

c. 10:1

  1. Both ‘a’ and ‘b’

    452: “Thalsa” is a variety of potato very suitable for the region of:

  2. Peshawar

  1. Tandojam

  2. Mir Pur Khas

  3. Sahiwal

453: Yield of carrot is maximum at pH:
q. 6.5

a. 7.5

b. 8.5

c. Below 6.5

454: Temperate varieties of carrot have life cycle.

a. Annual

r. Biennial

  1. Perennial

  2. Unknown

455: Which of the following vegetable is also called as ‘poor man’s food’?

a. Carrot

s. Onion

  1. Redish

  2. Potato

456: Which of the following factor(s) is/are more suitable for good onion production?

  1. High temperature

  2. Long photoperiod

  3. None of above

  1. All above

    457: Green potato tuber is inedible due to:

  2. Carcinogenic

    1. Hardness

    2. Hollowness

    3. None of above

    458: CRD is a statistical approach for:

    a. Field experiment

  3. Laboratory experiment

  1. a & b

  2. None

459: Soft nose is a disorder of:

  1. Date fruit

  2. Citrus fruit

w. Mango fruit

c. Apple fruit

460: Guava seed before germination requires:

  1. Fungicide treatment

  2. Chemical treatment

x. Commercial grade H2SO4 treatment

c. All of above

461: Fruit splitting in pomegranate and litchi is due mainly to:

  1. Water pressure

  2. Dry ness of air

  3. Nutritional defects

  1. All of above

    462: Production of vegetable out of their normal season of outdoor production is known as:

  2. Vegetable forcing

  1. Out of season

  2. Crop production

  3. Tissue culture

463: Yellow wasp is a major pest of:

aa. Grape fruit

  1. Peach fruit

  2. Citrus fruit

  3. Mango fruit

464: The only pest of date fruit at green hard stage is:

  1. Nightangale
    bb. Parrot

  2. Sparrow

  3. All of above

465: Study which deals with the microscopic structure of tissue is called:

  1. Anatomy
    cc. Histology

  2. Taxonomy

  3. Ecology

466: Study of plant species in relation to its environmental history is called:

dd. Phylogeny

  1. Histology

  2. Ontogeny

  3. None of these

    467: Elevation of temperate region from sea level ranges:

    a. 1000-2000 m

    b. 2500-3000 m

    c. 3500-4000 m

  4. b & c

468: Banana belongs to type of fruit, in which the edible portion is:

  1. Mesocarp

  2. Syconus
    ee. Berry

  3. Drupe

469: Almond is a drupe fruit, in which the edible portion is:

  1. Pericarp

  2. Thalmus
    ff. Seed

  3. Mesocarp

470: Frond length of cultivated date ranges:

  1. 3-5 m

  2. 3-4 m

  3. 2-3 m

  4. 1-2 m

471: The most important characteristics of tropical region are:

  1. Snowfall

  2. Frost

  3. Winds

  4. High temperature

  1. Addition of hastens the time of fruit bud differentiation in fruit plants:

    1. Nitrites

    2. Nitrides

      e. Nitrates

      c. All of these

  2. More harmones are accumulated in plants due to accumulation of :

    1. Nitrate

    2. Starch

    3. Protein

    4. Vitamins

  3. Reproductive phase of fruit plants is improved by the accumulation of :

    1. Nitrogen

      e. Starch

      1. Proteins

      2. Cellulose

  4. Pruning in old fruit trees increases fruit bud formation by increasing :

    1. Carbohydrates

      f. New vegetative growth

      1. Hormonal contents

      2. Cell sap

  5. At a temperature slightly above optimum, carbohydrates are :

    1. Produced

    2. Stored

      g. Utilized

      a. Increased

  6. Apical bud becomes in mango at fruit bud differentiation :

    1. Flattened

    2. Rounded

      h. Dome shaped

      a. Elongated

  7. The phase of fruit bud formation continues until :

    i. Anthesis

    1. Petal formation

    2. Pollination

    3. Differentiation

  8. The development of flower bud in tuberose is :

    1. Basipetal

    2. Exipetal

    3. Endopetal

      j. Acropetal

  9. Rate of bud development is upto winter season :

    1. Slow

      k. Rapid

      1. Medium

      2. Constant

  10. Dormancy is a function of interaction of growth promoter like GA and growth inhibitor
    like :

    l. ABA

    1. Cycocell

    2. Alar

    3. Paclobutrazole

  11. Dormancy of seed is a biological mechanisms that provides protection against :

    1. Seed spoilage

    2. Embryo abortion

      m. Pre mature germination

      c. Dehydration

  12. The major metabolic process which takes place in the harvested produce is :

    1. Ripening

      n. Respiration

      1. Softening

      2. Senescence

  13. At fruit bud differentiation in mango, C/N ratio is :

    1. Low

    2. Medium

      o. High

      c. Very High

  14. Annual bearing apples differentiate much greater proportion of their flowers on


    1. Spurs

      p. Shoots

      1. Leaf axils

      2. Main stem

  15. Self fertility refers to the ability of a variety to produce fruits with viable :

    1. Pollens

      q. Seeds

      1. Ovules

      2. Ovaries

  16. Flowers having stigma below the highest anthers are called :

    r. Apistigmatic

    1. Hypostigmatic

    2. Peristigmatic

    3. Exostimgatic

  17. Failure of a viable pollen to grow down the style of the flower of the same variety is
    called :

    1. Self sterility

      s. Self incompatibility

      1. Self unfruitfulness

      2. Sterility

  18. Piping is carried out in

    1. Chrysanthemum

    2. Rose

    3. Gladiolus

      t. Carnation

  19. Chlorophyll formation takes place within a light wavelength of :

    a. 150-200

    b. 200-300

    u. 300675

    c. 700-900

  20. Root formation is promoted in softwood cuttings under light intensity of
    foot candles:

    a. 100-150

    v. 150200

    b. 200-250

    c. 250-350

  21. Fruiting body of roses is called:

    1. Button

      w. Hips

      1. Slip

      2. None of above

  22. Apple and pear form their flowers buds in :

    1. May-June

      x. JulyAugust

      1. September-October

      2. November-December

  23. Volatile oil are those oil which can evaporate at :

    y. 25°C

    1. 40°C

    2. 50°C

    3. 65°C

  24. The renewal of NO3 involves release of from organic fraction of the soil
    and its rapid nitrification:

    1. NO2

      z. NH4

      1. N

      2. NO

  25. Most of Nitrogen is used in the decomposition of and thus plant shows
    deficiency symptoms :

    1. Amino acids

    2. Cellulose

    3. Carbon compounds

    4. Organic matter

  26. Toxicity of Mg can be modified by adding :

    1. N

    2. PO4

    3. Ca

    4. K2O

  27. Injurious effects of sulphates can be replaced with the addition of :

    1. Nitrates

    2. Phosphates

    3. Ammonia

    4. Ca & Mg

  28. Internal browning in apples takes place due to :

    1. Fungus

      e. High temperature

      1. Hail storm

      2. Bacteria

  29. Onion seeds can germinate at a temperature of :

a. 0-1°C

b. 1-5°C

c. 5-11°C

d. 15-20°C

  1. Dead heading is the removal of

    1. Dead branches

      1. Dead roots

      2. Faded flowers

      b. Shriveled leaves

  2. Hygrometer is used to measure

    1. Pressure

      h. Humidity

      1. Wind speed

      2. Solar radiation

  3. Pinching out is the removal of

    1. Growing point of root

    2. Opening flower buds

      i. Growing point of buds

    3. Removal of seeds

  4. A thread-like stem or leaf which clings to any support, is known as

    1. Climber

      j. Tendril

      1. Sucker

      2. Creeper

  5. A plant which is able to live under very dry conditions is called

    k. Xerophyte

    1. Hallophyte

    2. Mesophyte

    3. None of above

  6. Removal of young flower buds to allow maximum development of the remainder is
    termed as:

    1. Die back

      l. Disbudding

      1. Dead heading

      2. None of these

  7. Small, hair like outgrowth at the base of leaf stalk is termed as:

    1. Bud

    2. Bract

      m. Stipule

      c. Ligule

  8. Pruning in narrow leave evergreens should be done during:

    1. Early fall

    2. Winter

    3. Summer

      1. Early spring

  9. Which of the following plants require severe pruning?

    1. Lagerstromea purporea

    1. Nerium odorum

    2. Jasminum sambac

    3. Thuja orientalis

  10. Which of the following climbers is important for its hardiness and flowers throughout

    1. Vitis vinifera

      p. Bongainvillea glabra

      1. Tecoma grandiflora

      2. Quisqalis indica

  11. Which of the following shrubs bears yellow flowers?

    1. Jasminum sambac

    2. Tabernamontana divertica

      q. Thevetia nerifolia

      c. Hibiscus Rosa sinensis

  12. Which of the following grounds cover is highly salt tolerant?

    1. Vinca rosea

      r. Bermuda grass

      1. Musembreanthemum

      2. Alternanthra

  13. Which of the following shrubs is used as fruit beauty?

    1. Cassia glauca

    2. Nerium odorum

      s. Citrus mitis

      c. Hibiscus rosa sinensis

  14. Which of following trees has stem beauty?

    1. Eucalyptus

    2. Sterculia

    3. Royal palm

      1. All of above

  15. English Ivy (Hedera helix) is

    1. Evergreen ground cover

      1. Evergreen shrub

      2. Diciduous shrub

      3. deciduous ground cover

  16. Jaccaranda mimosifolia has

    1. Red flowers

    2. Yellow flowers

    3. White flowers

      1. Purple flowers

  17. Which of the following is an evergreen shrub?

    1. Lagerstromia indica

      w. Pittosporum tobira

      1. Caesalpenia pulchrema

      2. None of the above

  18. Lawn grasses can be established by:

    1. Seeding

    2. Sodding

    3. Plugging

      x. All of the above

  19. Tifdwarf is a:

    1. Weed

    2. Shrub

      y. Turfgrass

      c. None of these

  20. Gladiolus is propagated through:

    1. Bulbs

      z. Corms

      1. Tubers

      2. Rhizomes

  21. Rose budded at 3 ½ feet height is called

    1. Miniature rose

    2. Standard rose

    3. Half standard rose

    4. Climbing rose

  22. Most house plants, except cacti, prefer a highly organic and

    1. Neutral growing medium

    2. Alkaline growing medium

      e. Acidic growing medium

      a. None of above

  23. Ficus pimula is a

    1. Shrub

    2. Tree

      f. Creeper

      a. Annual

  24. Which of the following tree is commonly used in the landscape of arid zone?

    1. Ficus benjamina

    2. Pethocelobium dulce

    3. Pinus longifolia

      g. Prosopis juliflora

  25. Which of the following shrubs has white fragrant flowers?

    1. Tabernaemontana divertica

      h. Gardenia florida

      1. Thevitia nerifolia

      2. Lantana comara

  26. Commercial flower crops are sometimes watered to cause leaching. This means:

    1. Watering to spread fertilizer nutrients more evenly throughout the plant root system

      i. Watering to remove excess soluble salts from the growing medium

      1. Watering only to wet the top 1/3 of the growing medium

      2. Watering by subsurface methods

  27. Most grass species utilized for turf are characterized by:

    1. Prostrate creeping

    2. Fine to medium texture

    3. Short basal nodes

      j. All of above

  28. Which of the following trees change foliage colour during winter?

    1. Albizzia lebbek

    2. Delonix regia

      k. Sapium sebeferum

      c. Thuja orientalis

  29. Which of the following plants is known as dessert saroo?

    1. Populus nigra

    2. Bahinia varigata

    3. Sapium seveferum

      l. Casuarina equistifolia

  30. Which of the following climber belongs to family oleaceae?

    1. Tecoma grandiflora

    2. Lonicera japonica

    3. Bougainvillea glabra

      m. Jasminum grandiflora

  31. Tecoma stans is a

    n. Shrub

    1. Tree

    2. Creeper

    3. None of above

  32. Light intensity is expressed as:

    o. Footcandles

    1. Micrometers

    2. Candlelights

    3. All of the above

  33. The purpose of staking is to

    1. Protect the trunk

    2. Prevent root damage due to wind action

      p. Prevent wind injury to branches

      c. Prevent damage due to frost.

  34. Japanese style of floral arrangement is known as:

    1. Ikenobo

    2. Yen

      q. Ikebana

      c. Ying

  35. Dacca is a selected variety of:

    1. Herb

    2. Shrub

      r. Turfgrass

      c. None of these

  36. Growing medium kept too wet will deprive the plant:

    1. Soluble salts

    2. Water

      s. Oxygen

      c. Fertilizer

  37. The interrelationship of size with floral arrangement to its surroundings is:

    1. Harmony

    2. Rhythm

      t. Scale

      c. Balance

  38. A climbing plant with woody stem is called

    1. Vine

      1. Liana

      2. Hedge

      3. All of the above

  39. Hard, thorny structures which protect the buds of woody plants during winter, are
    termed as:

    1. Nodes

      1. Scales

      1. Bracts

      2. None of all

  40. A common example of incomplete flower is:

    1. Apetalous flower

    2. Staminate flower

    3. Pistillate flower

      w. All of the above

  41. To preserve the germination ability of most seeds, store them in a:

    1. Warm, dry environment

      x. Cool, dry environment

      1. Cool environment after scarification

      2. Warm, moist environment after stratification

  42. The soil pH level primarily controls:

    1. Soil temperature

    2. Activity of soil-borne diseases

    3. Moisture absorption by roots

      y. Availability of essential plant nutrients

  43. Which of the following is a shade-loving flower?

    1. Marigold

    2. Snapdragon

    3. Chrysanthemum

      z. Impatiens

  44. Plants which flower on the previous season growth:

    1. Should be pruned after flowering.

    2. Does not need to be pruned

    3. Should be pruned in the dormant stage.

    4. Should be cut back heavily in late summer.

  45. The most common summer cooling system in greenhouses is:

    1. Package evaporative coolers

    2. Fan-tube cooling system

    3. Fog evaporative cooling

    4. Fan-and-pad evaporative cooling

  46. All of the following are bulbous and tuberous-rooted plants except:

    1. Dahlias

    2. Dutch iris

    3. Caladiums

    4. Snapdragons

  47.                                        involves incorporating water soluble fertilizer into the irrigation
    systems of greenhouse and nursery crops.

    1. Broadcasting

    2. Fertilization

      e. Fertigation

      c. Perforation

  48. Which of the tree bears red colour flowers?

    f. Erythrena subrosa

    1. Albizia lebbek

    2. Sapium sebiferum

    3. Thuja orientalus

  49. Which of the plant is evergreen?

    1. Papulus nigra

    2. Bohinia verigata

    3. Euclyptus rostrata

    g. None of the above

  50. Lack of early spring flowering from tulip bulbs planted outdoors is due to:

    1. Bright sunlight

h. Lack of winter cooling

  1. Excessive moisture

  2. Magnesium and calcium deficiencies


A leaf with

parallel venation:


Has leaflets


Is a monocot


Has crossing veins


Is a compound leaf

  1. When making hand-tied bouquets, the stems should be positioned:

    1. Parallel to each other

    2. Perpendicular to each other

    3. Any way that looks nice and holds together

      i. In a spiraling manner

  2. Which of the following is not a method for sterilizing plant growing medium?

    1. Steaming

    2. Baking

    3. Using chemical fumigants

      j. Keeping the growing medium moist for 6 to 7 days

  3. Which of the following is not among the major principles of design?

    1. Balance

    2. Scale

    3. Emphasis

      k. Price

  4. The showy red, pink, or white portion of the poinsettia are:

    1. Flowers

      l. Bracts

      1. Petals

      2. Sepals

  5. A technique to produce well branched, compact plants with many flowers is:

    1. Stunting

    2. Compacting

      m. Pinching

      c. Potting

  6. Which of the following is a member of the Dianthus family?

    1. Chrysanthemum

    2. Phlox

    3. Sedum

      n. Carnation

  7. Which of the shrub bears red colour flowers

    1. Atriplex halimus

    2. Tecoma stans

      o. Jatropha metrifeda

      c. Jasminum sambac

  8. The acceleration of flowering by manipulating environmental conditions is known as:

    1. Pulsing

      p. Forcing

      1. Leaching

      2. After-ripening

  9. Which shrub has white colour flowers with fragrance

    1. Tabernaemontana divertice

    2. Hibiscus rosa chinensis

    3. Thevetia merifolia

q. Jasminum sambac

561. Peat is often mixed into the growing medium of container plants because it:

  1. Is inexpensive

r. Has good air and water holding capacities

  1. Has a high pH

  2. Absorbs excessive soluble salts

  1. The two most practical means of the home owner to control insects and diseases are:

    1. Mechanical and chemical

      s. Mechanical and biological

      1. Chemical and biological

      2. Biological and natural

  2. In temperate climates, pruning should not be done near the end of the summer because:

    t. New growth will not harden before winter

    1. It may increase foliage disease

    2. Plants will not recover in time to produce new growth before winter

    3. Sever “bleeding” from the cuts will kill the plant

  3. A plant hardy in tropical zone will also be hardy in zone:

    1. Temperate

      1. Subtropical

        1. Arid

        2. Semi-arid

  4. A person who designs, establishes, and maintains small scale landscape project, is:

    1. The garden superintendent

    2. The landscape nurseryman

      1. The garden center manager

      c. The landscape architect

  5. During dry periods, landscape plants should be:

    w. Watered lightly every day

    1. Watered heavily once each 7-10 days

    2. Watered and fertilized heavily each week

    3. Watered only after darkness

  6. Both asphalt and concrete are used for hard surfacing driveways. Which of the
    following is true for asphalt?

    1. The thickness of an asphalt needed for a driveway is less than the thickness of concrete
      needed for a driveway.

    2. Asphalt should be pitched to promote drainage

      x. Asphalt does not need a porous base material

      c. Asphalt is crowned to promote drainage

  7. Pinus halipensis is very healthy growing in:

    1. Tropical zone

    2. Subtropical zone

y. All of the above zones

c. None of the above zones

569. The design principle of total compatibility of all parts of an arrangement with each
other is:

  1. Transition

  2. Texture

  3. Harmony

  4. Proportion



optimum vase life, most cut flowers should be stored at temperatures close to:


40 ºF


45 ºF


30 ºF


50 ºF

571. Which of the following statements is true.

  1. Perennials are used for one season.

f. Perennials are good plants for the garden with low maintenance cost.

  1. Perennials are not easy to grow and establish in beds.

  2. Perennials are only for foliage beauty.

572 Which of the following perennials is low and spreading type?

g. Vinca

  1. Gaillardia

  2. Cimicifuga

  3. Coreopsis

573 Which of the following perennials has more varieties?

h. Geranium

  1. Helenium

  2. Verbena

  3. Ghazania

574 Which of the following perennials is hardy and having blue and lavender colour

  1. Verbena

  1. Dianthus

  2. Calendula

  3. Alyssum

  1. The major auxin produced in plants is:

    1. Indole-3-butyric acid (IBA)

    2. Naphthalene acetic acid (NAA)

      j. Indole-3-acetic acid (IAA)

      c. Ethylene

  2. When cells are turgid, they are:

    1. Deflated

    2. Ruptured

    3. Inflated

k. Joined with other cells

577 Which of the following statements is true?

  1. Annual can survive in the sever winter without protection.

l. Annuals usually bloom only once each season.

  1. Annuals are only planted in spring.

  2. Annuals are only used for foliage beauty.

  1. Which of the following statements is true?

    1. Annuals are used as surface material.

    2. Annuals are used as ground covers.

    3. Annuals are used as border plants.

      m. Annuals are used all of above purposes.

  2. Which of the following statements is true?

    1. Verbena is used for climbing purpose.

    2. Verbena is used for border purpose.

    3. Verbena is used for hedge purpose.

n. Verbena is used for bedding purpose.

  1. Pansy is very popular annual due to its:

    1. Stem and foliage beauty

    2. Hardiness toward ground cover

    3. Planting under shad.

      o. Mix colour flowers bedding plant.

  2. Which of the following annuals is planted as vine?

    1. Salvia

      p. Ipomea

      1. Verbena

      2. Marigold

  3. Which of the following annuals is used as ground cover?

    q. Musemberanthemum

    1. Stock

    2. Viola

    3. Calendula

  4. Which of the following annuals is used as rock garden?

    1. Cosmos

    2. Clarkia

    3. Dianthus

      1. Morning glory

  5. Which of the following annuals is used as foliage beauty?

  1. Kochia

  1. Phlox

  2. Partulaca

  3. Antirrhinum

585. The average humidity percentage recommended for interior plants is:

a. 70 to 100%

t. 40 to 70%

b. 20 to 30%

c. 10 to 20%86.

586 The bract that encloses a flower cluster is a .

  1. Quill

  1. Spathe

    1. Spike

    2. Petal

    1. Broad-leave evergreens such as Ficus bengalensis and Alstonia schularis should be
      fertilized in:

  2. Early spring

  1. Late fall

  2. Late summer

  3. Early summer

  1. A major problem in standard carnation production resulting in asymmetrical flowers

    1. Improper fertilization

    2. High-density spacing

    3. Calyx splitting

    4. Lack of pinching

  2.                     is generally added to water when processing flowers in a retail floral shop.

    1. Herbicide

    2. Insecticide

      w. Biocide

      c. Algicide

  3. The genus and species name for the ponytail palm is:

    x. Beaucarnea recurvata

    1. Moluccella laevis

    2. Brassaia actinophylla

    3. Cordyline terminalis

  4. Training plants into three-dimensional ornamental forms, such as animals, is called:

    y. Topiary

    1. Espalier

    2. Heading back

    3. Bonsai

  5. Clay soils require:

    z. A longer time for absorption of irrigation water than sandy soils

    1. A shorter time for absorption of irrigation water than sandy soils

    2. About the same time for absorption of irrigation water as sandy soils

    3. More or less time for absorption than sandy soils, depending on the pH of the clay

  6. Plants that have been clipped or pruned into two-dimensional forms are:

    1. Espalier

    2. Topiary

    3. Balanced

    4. Dynamic

  7. A transplanted tree or shrub should be set into the ground:

    1. 50 percent deeper than it was originally planted

    2. So that the top roots are exposed to the air

    3. With the top of the container slightly covered

      e. At the same depth at which it was originally growing

  8. The main commercial method for propagating African violets is by:

    1. Seeds

    2. Crowns

    3. Tubers

      1. Leaf petioles

  9. Damping-off is caused by:

    1. Fungi

    1. Bacteria

    2. Nematodes

    3. Virus

  10. Which of the following is a group of terms related to landscape design principles?

    1. Stratify, random, curvature

      h. Focalization, proportion, simplicity

      1. Hogarth, symmetrical, curvature

      2. Thresh, rounding, complexity

  11. Plants usually do not grow well in poorly drained soils because:

    i. Oxygen content is low in poorly drained soils

    1. The organic matter content of poorly drained soils is too high

    2. Poorly drained soils warm too quickly in spring

    3. Plant roots become engorged with water in poorly drained soils

  12. To make the living area of a landscape appear larger, a designer should include plants
    that feature:

    1. Warm-colored flowers such as reds, oranges, yellows

      j. Cool-colored flowers such as blues, purples, lavenders

      1. A combination of warm- and cool-colored flowers

      2. All white flowers

  13. Which of the following turf areas is mowed to the lowest height?

    1. Commercial lawn

    2. Golf fairway

    3. Home lawn

      k. Golf green

  14. In plants, is the process of converting stored energy into energy for plant

    1. Transpiration

    2. Photosynthesis

      l. Respiration

      c. Pollination

  15. A landscape designer uses many in developing the preliminary design for a

    1. Perfect plans

      m. Bubble diagrams

      1. Site surveys

      2. Problem statements

  16. An example of an organic material is .

    1. Pea gravel

    2. Perlite

      n. Leaf mold

      c. Vermiculite

  17. The loss of water in the form of vapor from the surface of plant leaves is referred to as:

    o. Transpiration

    1. Respiration

    2. Oxidation

    3. Condensation

  18. The basic underlying principle of using a mist propagation system is that it:

    1. Keeps the propagation medium uniformly moist and supplies moisture to the base of the

    2. Keeps the plant material cool

    3. Cools the propagation medium to promote root formation and development

      1. Increases humidity around the cutting and reduces transpiration

  19. Low-growing landscape plants should:

    1. Be placed in front of intermediate growing plants

    1. Be placed behind intermediate growing plants

    2. Not be used in the landscape

    3. Be planted under large trees

  20. In a landscape design, properly located plants and structures.

    r. Can reduce heat intensity

    1. Need to be constantly pruned and maintained

    2. Block the view of the front door

    3. Are not essential for a good landscape design

  21. A shade loving border plant is:

    1. Marigold

      s. Impatiens

      1. Zinnia

      2. Chrysanthemum

  22. A plant that dies to the ground at the end of each growing season but comes back from
    the same root stubs year after year is most accurately described as:

    1. Perennial

    2. Annual

    3. Biennial

      t. Herbaceous perennial

  23. Two basic types of pruning are heading-back and thinning-out. Which of the following
    is true about these pruning methods?

    1. Thinning cuts leave behind a good portion of the stem and many axillary buds.

      1. Thinning cuts are made close to a main branch or ground and few axillary buds are


        1. Heading cuts usually remove entire branches and leave no buds.

        2. Heading cuts remove a portion of the stem and only terminal buds are left.

  24. Lowering the soil grade around a tree removes many of the tree’s roots.

    1. Tap

    2. Aerial

      1. Feeder

      c. Aquatic

  25. Water availability, temperature extremes, and should be considered when
    selecting trees for the landscape.

    1. Slope

    2. Topography

      w. Soil type

      c. Buildings present

  26. Lawn sprinkler systems are installed so as to provide even coverage. It is accomplished

    x. Spacing the heads so that each sprinkler sprays to the next sprinkler

    1. Using sprinkler heads with a square pattern throughout the landscape

    2. Spacing sprinklers based on needs specified in the soil test

    3. Using one size pipe throughout the landscape

  27. Callus is a term usually referring to:

    1. The tissue on the collar of a limb

      y. The first tissue develops on a cut surface just before the root formation iniates.

      1. Deformed growth on plant limbs

      2. A disease of plant leaves and limbs

  28. A is a woody perennial that has more than one main trunk.

    1. Tree

    2. Flower

      z. Shrub

      c. Weed

  29. Mrs. Khan loves spring flowering bulbs. Which of the following would you suggest for
    Mrs. Khan to plant?

    1. Hyacinthus orientalis

    2. Coleus x hybridus

    3. Lonicera japonica

    4. Gardenia jasminoides

  30. In nursery production, a “liner” refers to .

    1. A plastic bag

      e. A rooted cutting or small seedling

      1. A type of garden tool

      2. A plastic mulch covering

  31. Which of the following is a deciduous vine?

    f. Tecoma grandiflora

    1. Rosa marshenelle

    2. English ivy

    3. Rosemary

  32. Failure of a bulb to produce a marketable flower following floral initiation is:

    1. Disbudding

      g. Flower blasting

      1. Damping off

      2. Dieback

  33. Which of the following is the proper recommendation for pruning trees at planting.

    h. Pruning should be limited to shaping the plant by removing dead or damaged limbs

    1. Trees should be cut back to at least one-half their size to prevent stress on root systems

    2. Trees should not be pruned until the third year after planting

    3. Trees should not be pruned at all – the latest trend is to let them develop naturally

  34. The practice of manually watering a container plant until water comes out of the
    drainage holes of the container is effective for helping to reduce the buildup of in
    the growing medium.

    1. Pathogens

      1. Soluble salts

    2. Pesticides

    3. Herbicides

  35. One of the best ways to speed up the rooting process of cuttings is to:

    1. Provide bottom heat

    1. Keep the soil cool and the foliage warm

    2. Harden them off by laying them out to dry a few days before sticking

    3. Always take cuttings after mid-day

  36. An area of the landscape that includes space for such items as a clothes line and garbage
    cans is the area.

    k. Service

    1. Public

    2. Private

    3. Recreational

  37. The landscape design principle of interconnection:

    1. Is a visual break in sequence

    2. Is the human perception of space and form related to human dimension

    3. Is the overall organization and structure of a design

      l. Occurs when visual components are physically linked together

  38. A flower is a type of flower often used as a focal point.

    1. Mass

    2. Line

      m. Form

      c. Spike-type

  39. Growing medium for greenhouse plant production is:

    n. A nutritive substance in which seeds germinate and plants grow

    1. Unsterilized soil

    2. Soil which hasn’t been graded for size

    3. The cellular structures that make up wood

  40. The phenomenon of terminal plant growth suppressing lateral growth is termed as:

    1. The apex auxin complex

      o. Apical dominance

      1. Lateral dominance

      2. Terminal bud inhibition

  41. Some seeds are produced in the fall and remain on or in the ground until they
    germinate in the spring. Exposing seeds to the winter cold and moist soil is nature’s method of


    1. Scarifying

      p. Stratifying

      1. Acidifying

      2. Sporulating

  42. The use of plant materials and landscaping techniques to conserve soil moisture and to
    reduce water usage is:

    q. Xeriscaping

    1. Waterscaping

    2. Natural landscaping

    3. Bogscaping

  43. Which of the following describes plants that lose their leaves during the winter?

    1. Evergreen

      r. Deciduous

      1. Coniferous

      2. Herbaceous

  44. Hardiness refers to:

    1. The strength of the wood of a tree

      s. The quality of being strong and being able to survive in a certain region

      1. The hardness of the soil in which a plant is being planted

      2. The ability of a plant to grow indoors

  45. Hardening-off is a term used in the nursery/landscape industry to mean:

    1. Allowing herbaceous plants to become woody

    2. Acclimatizing landscape plants to coldframe conditions

    3. Coating plants with a protective plastic-type spray prior to transplanting

      t. Acclimatizing tender plants to harsher, outdoor conditions

  46. The removal of lateral flower buds from stems, such as carnations and
    chrysanthemums, is called:

    1. Soft pinch

    2. Deadheading

    3. Hard pinch

      1. Disbudding

  47. A lawn mower with blades parallel to the surface of the ground is called as:

    1. Reel mower

      1. Rotary mower

      1. De-thathing mower

      2. Electric mower

  48. The turfgrass least tolerant of shade is:

    1. Zoysia grass

    2. Fescue grass

    3. St. Augustine grass

      w. Bermudagrass

  49. Which of the following is not an important environmental requirement for germination
    to occur?

    1. Proper temperature

    2. Oxygen

      x. Carbon dioxide

      c. Moisture

  50. Light energy, carbon dioxide, and water enter into the process of photosynthesis,
    through which:

    1. Respiration results

      y. Carbohydrates are formed

      1. Chlorophyll is formed

      2. Amino acids are formed

  51. The most common synthetic root-promoting chemicals are:

    1. IBA and AAN

    2. CCA and ACD

    3. ISO and OSB

    z. IBA and NAA

  52. What information is not mentioned in the legend on a final landscape plan?

    1. Plant names

    2. Specific notes concerning installation

    3. Plant quantities

    4. Designer’s name

  53. When planting a bare-rooted tree, the tree should be planted:

    1. At 6 inches above the original soil level

    2. At 2 inches above the original soil level

    3. At 6 inches below the original soil level

      e. Directly even with the original soil level

  54. A major advantage for producing nursery stock in containers is that it:

    1. Is less expensive than growing in nursery fields

      1. Allows for transplanting any time during the growing season

      2. Requires less water and fertilization than field-grown crops

      b. Requires less labor than field-grown crops

  55. A method of fertilizer application is .

    1. Sterilization

    2. Pasteurizing

      h. Side dressing

      c. Leaching

  56. Brown patch, dollar spot, and gray snow mold are all diseases of:

    1. Azaleas

      i. Turfgrasses

    2. Trees

    3. Evergreens

  57. Which plant is a vine?

    1. Ficus benjamina

    2. Pinus thunbergiana

    3. Ilex cornuta

      j. Lonicera japonica

  58. Site features to consider when conducting a site survey include:

    1. Topography, client analysis, natural features, and climate

      k. Topography, soil conditions, natural features and existing vegetation

      1. Natural features, existing vegetation, soil conditions, and client analysis

      2. Natural features, climate, existing vegetation, and client analysis

  59. Food produced in the leaves moves to other parts of a plant through:

    l. Phloem tissues

    1. Xylem tissues

    2. Vein system

    3. Arteries

  60. When installing a landscape, which step (from the following list) should be completed

    m. Plant the trees and shrubs

    1. Add amendments to the soil

    2. Install the drainage system

    3. Build retaining walls and garden walkways

  61. Examples of cool season grasses include perennial ryegrass, bentgrass, and:

    1. Bermudagrass

      n. Fescue

      1. St. Augustine

      2. Zoysia

  62. Magnesium, calcium, and sulfur:

    o. Are essential elements needed for plant processes

    1. Are micro-elements

    2. Can be found in incomplete fertilizers

    3. Are only needed by some plants

  63. Functional roles of plants in the landscape do not include:

    1. Screening

    2. Developing the structural framework of the design

    3. Enclosing

    4. Greening up

  64. Which of the following is a major reason for mulching landscape plants?

    1. Increases anti-aerobic activity in the soil

    2. Supplies nutrients

      p. Moderates soil temperature and conserves soil moisture

      c. Attracts earthworms

  65. A plant that remains vegetative during its first season of growth and flowers in the
    second season is a (n):

    q. Biennial

    1. Annual

    2. Propagule

    3. Perennial

  66. Most landscape plants like the soil pH:

    r. Slightly acidic

    1. Strongly acidic

    2. Slightly alkaline

    3. Strongly alkaline

  67. When installing a landscape, which step (from the following list) should be completed

    1. Plant the trees and shrubs

    2. Add amendments to the soil

      s. Install the drainage system

      c. Build retaining walls and garden walkways

  68. Wisteria, clematis, and Japanese honeysuckle are examples of:

    1. Trees

      t. Vines

      1. Shrubs

      2. Groundcovers

  69. A flower container which is elevated on a base that may be short or long stemmed, is
    known as

    1. Vase

    2. Bowl

      1. Pedestal

        c. Basket

  70. Maximum interior plant deaths result from

    1. Incorrect PH

    2. Too much light

      1. Too much fertilizer

      2. Over watering

  71. In a residential landscape, the area between the house and the street is

    1. Family living area

    2. Public area

    3. service area

    4. private living area

  72. A tool which is used for moving loose materials such as crushed stone. Peat moss etc, is
    landscape installation is known as:

    1. Ball cart

    2. Hand trowel

    3. Shovel

  1. Scoop

    1. Stabilization of large trees or multi stemmed plants using wires and stakes of Hard
      wood or metal is known as:

  2. Guying

  1. Staking

  2. All of the above

  3. None of the above

  1. The angle at which a branch meets the trunk of the tree or another larger branch, is

    g. Crotch

    1. Canopy

    2. Lead branch

    3. Water sprout

  2. Limbs are pruned from trees with a technique called

    1. Thinning out

    2. Heading back

      h. Jump cutting

      c. Pinching

  3. Claw like appendages occurring in pairs at the base of the leaf blade of turfgrasses is:

    1. Awn

    2. Bract

    3. Stipule

      i. Auricle

  4. Combination of two or more cultivars of a single turf grass species is known as:

    1. Ball role

      j. Blend

      1. Bench setting

      2. Artificial turf

  5. Dry, indehiscent, one seeded fruit with a thin pericarp fused to seed coat is known as:

    1. Achene

    2. Pomes

    3. Caryopsis

    4. None of these

  6. Pollination and fertilization within closed florets is:

    1. Polygamy

      e. Cleistogamy

      1. Allogamy

      2. Autogamy

  7. Stem of a grass plant is

    1. Stalk

    2. Cane

      f. Culm

      a. None of the above

  8. In turf grasses, a pair of bracts usually present at the base of a spikelet is known as

    g. Glumes

    1. Auricles

    2. Awns

    3. None of the above

  9.                               is the axis of a spike or raceme

    1. Panicle

    2. Peduncle

      h. Rachis

      a. Thalamus

  10. In turfgrasses, after mowing, a layer of above ground, green, living grass part is:

    1. Wear

      1. Verdure

    2. Clipping

    3. None of the above

  11. Kentucky blue grass is a

    1. Cool season grass

    1. Warm season grass

    2. A and B both

    3. None of the above

  12. Bahia grass is a

    1. Cool season grass

      k. Warm season grass

      1. A and B both

      2. None of the above

  13. Best planting time of turf grasses is

    1. May-June

    2. July-Aug

    3. Sep-Oct

    4. Nov-Dec

  14. Rose is a

    1. Short day plant

    2. Long day plant

e. Dayneutral plant

a. None of the above

675. When designing an asymmetrical floral arrangement, the floral designer must consider
which of the following design principles:

  1. Proportion

  2. Balance

  3. Focal point

f. All of the above

  1. Elements of landscape design are:

    1. Balance & Emphasis

    2. Rhythm & Harmony

    3. All of the above

      g. None of The above

  2. Principles of landscape design are:

    1. Colour & Form

    2. Texture & Colour

    3. All of the above

    4. None of these

  3. Art of shaping plants into geometric shapes is known as:

    1. Ehabana

    2. Bonseia

    3. Topiary

    4. Pot pourri

  4. First mowing of a newly established lawn is preferably done by:

    1. Sickle

    2. Mower

    3. Scissor

    4. None of these

  5.                               is a common example of monsoon annual grown in Pakistan :

    1. Dallia

    2. Zinnia

      e. Cock’s comb

      c. Pansy

  6. Morning glory is:

    f. Annual

    1. Perenial

    2. Tree

    3. Shrub

  7. Candytuft is botanically called:

    1. Helipterum roseum

      g. Iberis amara

      1. Bellis perenne

      2. Tropaeolum inajus

  8. Chrysanthemum is a:

h. Short day plant

  1. Long day plant

  2. Day-nentral plant

  3. None of these

684 is a best annual flower used for drying:

  1. Gaillardia

  2. Nasturtium

    i. Helichryrum

  3. Balsam



is a member of family:









686- Hybrid tea roses are developed by crossing:

k. Hybrid perpetual & Tea rose

  1. Floribunda & Tea rose

  2. Tea rose & Polyontha rose

  3. Tea rose & Grandiflora rose

687- Roses which flower only once during summer are:

  1. Floribunda roses

  2. Climbing roses

l. Ramblers

c. Miniature roses

688 Iceberg bears flowers:

  1. Yellow

  2. Red

  3. Pink

m. White

  1. Kardinal belongs to:

    1. Floribunda

    2. Miniature

      n. Hybrid tea

      c. Grandiflora

  2. The emission of water vapor from the surface of plant leaves is called:

    1. Fixation

    2. Photosynthesis

    3. Nitrification

o. Transpiration

  1. Eranthemum is a:

    1. Tree

      p. Shrub

      1. Creeper

      2. Annual

  2. A common example of fragrant shrub is:

    1. Chandni

    2. Jatropha

    3. Kaner

q. Murva

  1. Nerium odorum bears flowers of:

    1. White colour

    2. Pink colour

    3. Red colour

      r. All of above

  2. Optimum day time temperature range for best growth of house plants is:

    a. 6-12

    b. 12-18

    s. 1824

    c. 24-30

  3. To properly water indoor plants, consider:

    1. The type of plant

    2. The size of the plant

    3. Where the plant is growing

      t. All of the above

  4. Croton is a:

    1. Tree

    2. Shrub

      1. House plant

        c. Annual

  5. Araucaria is a plant:

    1. Tropical

    2. Sub-tropical

  1. Temperate

c. All of above

698 A piece of broken pot which is used at the base of pot to help drainage is know as:

  1. Crown

  2. Cristate

w. Crock

c. Bulbil

  1. Crocus is propagated through:

    1. Bulbs

      x. Corms

      1. Rhizomes

      2. Seeds

  2. A leaf of fern or palm is

    1. Simple leaf

    2. Pinna

y. Frond

c. Compound leaf

701 Smooth and hairless plant surface is known as:

b. Glaucous

z. Glabrous

  1. Gloclind

  2. None of these

  1. Temporary removal of a plant from its pot in order to check the condition of the root
    ball, is known as:

    1. Over potting

    2. Repotting

    3. Knocking out

    4. All of above

  2. Milky sap which exudes from cut surfaces of a few house plants is:

    1. Honey dew

      e. Latex

      1. Glochid

      2. Heel

  3. A plant growth in a pot which is too small to allow proper plant growth is known as:

    f. Potbound

    1. Potting on

    2. Over- potting

    3. Knocking out

  4. Small bulb produced on the stem of a bulbous plants, is known as:

    1. Bulblet

      g. Bulbil

      1. A & B both

      2. None of above

  5. A small offset produced at the base of a corm, is:

    1. Cormel

    2. Cormlet

h. A & B both

c. None of above

707 Narcissus has a cup- like centre in its flowers, known as:

  1. Corolla

  2. Cross

  3. Crock

  1. Corona

    1. A feathered petal which bears a distinct central band is:

  2. Flamed

  1. Flaked

  2. Floret

  3. Filament

  1.                             is the tip of the bulb:

    1. Node

    2. Month

      k. Nose

      c. Hirsute

  2. The stalk of an inflorescence is known as:

    1. Pedicel

      l. Peduncle

      1. Perianth

      2. Petiole

  3. A whorl of leaves arising at the base of plants is:

    1. Scales

    2. Reflexed

      m. Rosette

      c. None of these.

  4. A fleshy spike in which small flowers are embedded, is:

    1. Spathe

      n. Spadix

      1. Spike

      2. Pedunel

  5.                           is a common shrub which is used as hedge in Pakistan:

    o. Duranta

    1. Motia

    2. Chandna

    3. All of the above

  6. A flower- head or tightly packed inflorescence, is

    1. Trumpet

    2. Tepal

      p. Truss

      c. Tunic

  7. A dry and often papery covering of corms & some bulbs, is known as:

    1. Trumpet

    2. Plunging

    3. Fall

q. Tunic



instrument that measures the electrical conductivity of a soil solution is called a:









717. Rose is severely pruned during:

  1. Spring ( Feb- Mar )

  2. Autumn ( Sep- Oct )

s. Winter ( DecJan )

c. Summer ( May- June )

  1. Rose hips are rich source of:

    1. Vitamin A

    2. Vitamin B

      t. Vitamin C

      c. All of the above

  2. Balled and Bur lapped evergreens may be moved at any time of year except when

    1. New shoots are growing

      1. They are dormant

      2. The soil is frozen

      3. The soil is too wet

  3. Which of the following are not annual plants?

    1. Asparagus

    1. Petunia

    2. Margold

    3. Geranium

  4. Which of the following annuals are best used for edging

    1. Poppy

    2. Stock

      w. Sweet alyssum

      c. Sun flower

  5. Which of the following are good choices as specimen plants in a landscape:

    1. Magnolia

    2. Alstonia

      x. Gold mohr

      c. Bougainvillea

  6. The most common mistake in mowing cool season grasses is to

    y. Mow them too short

    1. Mow too often

    2. Use a dull mower blade

    3. d. Mow them too high

  7. The name of the person who developed the binomial system for naming plants is

    z. Linneus

    1. Socrates

    2. Plato

    3. Hortus

  8. When used to describe a plant, the word deciduous means that

    1. The plant is perennial

    2. The plant sheds its leaves each year

    3. The plant is a shrub

    4. All of the above

  9. Flowers which are grown from bulbs include

    1. Zinnia

    2. Tulip

    3. Marigolds

    4. All of the above

  10. Xeriscaping is a landscaping process which requires:

    1. No water in the landscape

    2. Draining water from landscape area

      e. Water conserving

      c. Arid landscaping

  11. Mulching can reduce water loss by:

    a. 50%

    f. 90%

    b. 35%

    c. 25%

  12.                                         can be effectively used as windbreak:

    g. Moulsary

    1. Ulta Ashok

    2. Bottle brush

    3. All of the above

  13. Sprigging is:

    1. Cutting grass to kept it short

    2. Sowing a lawn

    3. Chopping up a lawn to provide better drainage

      h. Planting individual plants, runners, or stolons to establish a lawn

  14. Grass seed should be carefully covered with soil to a depth of

    1. 0.5 cm

      1. 1 cm

    2. 1.5 cm

    3. 2.5 cm

  15. The best way to control weeds from lawn is to develop:

    1. A good healthy thick turf

    1. A combination of pre emergence and post mergence weed killer

    2. A weed killer/fertilizer

    3. None of the above

  16. Rolling the lawn each year may be necessary to

    1. Level the lawn

    2. Push grass roots into close contact with soil

    3. Provide a firm surface for mowing

      k. All of the above

  17. The common name for diffenbachia is

    1. Umbrella tree

    2. Bougainvillea

    3. Snake plant

      l. Dumb cane

  18. The genus name for croton

    1. Sanservieria

    2. Ficus

      m. Codiaeium

      c. Araucaria

  19. When indoor plants are over watered:

    1. They drop their leaves

    2. They die

      n. Their leaves turn yellow

      c. All of the above

  20. The night temperature of indoor plants should be ºF cooler than day time









  21. Charcoal is used in a terrarium for its

    1. Color

    2. Drainage material

    3. Drainage ability

      p. None of the above

  22. The use of high nitrogen fertilizers in terrarium soil results in the release of

    1. Moisture

      q. Ammonia gas

      1. New plants

      2. None of the above

  23. Plants tend to grow towards light sources. It is known as

    1. Photosynthesis

    2. The rain cycle

    3. Transpiration

      r. Phototropism

  24. Moisture is lost through small openings on the underside of the leaves known as:

    1. Air holes

    2. Stems

      s. Stomata

      c. None of the above

  25. The larger, center most of the plants used in bonsai is cut off:

    1. To dwarf the plant

t. To cause root branching

  1. To make root system shallow

  2. To simplify root pruning job

  1. Site of attraction that holds attention of viewer in a landscape is called;

    1. Balance

    2. Proportion

      1. Focal point

        c. Rythum

  2. Most famous fragrant plant in summer is;

    1. Jasminum sambac

    1. Althcea rosea

    2. Tabernamontana divertica

    3. All of the above

  3. Lilium longiflorum, an important holiday potted plant, is commonly known as:

    1. Kalanchoe

    2. Poinsettia

      w. Easter Lily

      c. Hydrangea

  4. Pansy is very popular winter annual for its

    1. Stem and foliage beauty

    2. Planting under shade

    3. Hardiness towards ground cover

x. Mixed coloured flower bedding plant

  1. Use of a pipe covered by a rope for providing support to some indoor plants like
    Scindapsus, is termed as:

    1. Terrarium

      y. Totem

      1. Topiary

      2. None of the above

  2. An open frame work, designed to offer shady resting place is called;

    1. Cold frame

      z. Arbor

      1. Pergola

      2. Deck

  3. A line of demarcation that creates visual interest in a landscape by separating one
    segment from another is called

    1. Edging

    2. Border

    3. Fencing

    4. Line

  4. In landscape shape of tree is called

    1. Shape

      e. Form

      1. Structure

      2. Texture

  5. Water gardening is also called,

f. Equascape

  1. Hardscape

  2. Nightscape

  3. Alpine gardening

  1. Landscape, in which rocks and grasses are used instead of flowers is called

    1. Rock gardening

      g. Japanese gardening

      1. Water gardening

      2. None of the above

  2. Which of the statement is true?

    1. Verbena is used as climber

    2. Verbena is used for border

    3. Verbena is used as hedge plant

    4. Verbena is used as bedding plant

  3. Which of the plant is used for is foliage beauty?

    h. Kochia

    1. Phlox

    2. Partulaca

    3. Antirrhinum

  4. Which annual flower is used ground cover?

    1. Viola

    2. Stock

    3. Calendula

      i. Musemberanthemum

  5. Which of the statement is true?

    1. Lawns should always be mowed in the same direction

    2. Plants are best wintered without water in them

    3. Cylinder mowers give thorough mowing because of air vacuum system

    4. Warm season grasses usually respond better to close mowing.

  6. An example of a specialty cut flower used in a floral arrangement is a(n):

    1. Rose

    2. Carnation

      j. Orchid

      c. Pompom Chrysanthemum

  7. Which of the following plant require very light pruning?

    k. Nerium Odorum

    1. Rhododendron

    2. Lawsonia alba

    3. Punica grantum

  8. Which tree bears fragrant flowers?

    1. Albezia lebbeck

    2. Pinus roxburghii

    3. Papulus elegni

      l. None of the above

  9. Which following creeper bears white flowers?

    1. Ipomea

      m. Plumbago

      1. Clerodendron

      2. Tecoma

  10. Pinus roxburghii is very healthy growing in;

    1. Tropical zone

    2. Subtropical zone

    3. All of the above zones

      n. None of the above zones

  11. Low-lying plant that covers some area in the landscape is called;

    1. Shrub

      o. Ground cover

      1. Bedding plant

      2. Perennial

  12. Plants which shed there leaves in autumn are called;

    1. Evergreen

    2. Annuals

      p. Deciduous

      c. Biennials

  13.                     is a common disease found on roses grown for cut flowers.

    1. Stem rot

    2. Rust

    3. Root rot

  1. Botrytis

    1. Plants for the marginal areas of pond are called

  2. Bog plants

  1. Emergent

  2. Aquatic plants

  3. floaters

  1. Type of contained water feature is

    1. Fountain

    2. Water fall

      s. Pond

      c. None of the above

  2.                               is used for daily movement in the landscape

    t. Functional path

    1. Temporary path

    2. Occasional path

    3. Decorative path

  3. when all the parts of the design suggest a single impression it is called

    1. Harmony

    2. Transition

    3. Balance

      1. Unity

  4. In Punjab pruning of roses is managed during

    1. Summer

      1. Winter

      1. Spring

      2. Year around

  5. Which of the following roses bear clustered flowers?

    1. Hybrid tea

    2. Floribunda

    3. Miniature

  1. All of the above

    1. The new growth of a Dieffenbachia is weak and spindly, with large gaps between the
      leaves. The problem is probably:

      1. Salt damage

      2. Nitrogen deficiency

      3. Botrytis

  2. Lack of light

    1. Cuttings of potted chrysanthemums are planted at an angle to encourage:

  3. Increased branching

  1. Larger blooms

  2. A more rounded plant

  3. Earlier flowering

  1. The common name for Zebrina pendula is:

    1. African Lily

    2. Boston ivy

      z. Wandering Jew

      c. Grape ivy

  2. Which of the following flower types is not suitable for pressing?

    1. Daffodil

    2. Dusty miller

    3. Pansy

    4. African violet

  3. The most important environmental factor regulating flower initiation in bulbous species

    1. Light

      e. Temperature

      1. Moisture

      2. Ventilation

  4. Plant propagation is important because of the reason:

    f. Selected plants chosen to maintain their traits

    1. Usefulness

    2. For specific traits

    3. Preserving plant products as a source of food

  5. Successful Plant Propagation involves the:

    1. Knowledge of technical skills

    2. Knowledge of plant biology

    3. Knowledge of plant

      1. All of these

  6. Any detached plant part which, when placed under favorable conditions will produce a
    new plant identical to the parent plant is called a:

    1. Cutting

    1. Seed

    2. Plug

    3. Graft

  7. Which type of cutting is taken in the dormant season when tissues are fully matured
    and lignified.

    1. Softwood

    2. Semi-hardwood

      i. Hardwood

    3. Herbaceous

  8. Colchicine is chemically:

    1. Volatile oil

    2. Tannins

    3. Protein

      j. Alkaloid

  9. Quinine alkaloids are present in

    1. Nux vomica

    2. Cocoa leaves

    3. Belladona roots

      k. Cinchona bark

  10. This mineral is exposed to high heat and expanded. It is often used as a propagation

    1. Perlite

      l. Vermiculite

      1. Peat Moss

      2. Sand

  11. What are two of the most important qualities for selecting a
    rooting media?

    1. Hard and free from pests

    2. Well drained and low moisture retentive

      m. Water holding capacity and Air holding capacity

      c. None of these

  12. Which of these four plants which are propagated from herbaceous cuttings.

    n. Carnation, Chrysanthemum, Coleus and Geranium.

    1. Azalea, Coleus, Geranium and Rose

    2. Coleus, Ruscus, Gardenia and holly

    3. Tuberose, Syngonium, Hibiscus and Dracenia

  13. Why is it important to select cutting free of berries and flowers?

    1. The flowers and berries take up too much space in the propagation bed.

    2. Because berries and flowers weigh down the cuttings and may cause them to tip over.

    3. The flowers and berries would attract harmful insects to the cuttings.

      o. Because they consume much of the food stored and produced by the cutting.

  14. Why is it important to transport cutting from the field to the propagation area in a
    plastic bag?

    1. To keep your hands and clothing clean.

      p. To help maintain the moisture level of the cutting stock.

      1. Because a paper bag would tear too easily

      2. To maintain the integrity of the soil around the roots.

  15. What is the optimum length for most of cuttings?

    1. 1 to 3 inches

    2. 3 to 6 inches

      q. 6 to 8 inches

      c. 10 to 12 inches

  16. The bottom leaves from the cutting should be removed before “sticking” the cutting for
    which of the following reasons.

    1. The leaves may rot

    2. The leaves may become diseased

    3. Neither A nor B

      r. Both A and B

  17. When taking the cutting from the stock plant, at what angle should the cut be made?

    1. 25-degrees

      s. 45-degrees

      1. 60-degrees

      2. 90-degrees

  18. When sticking a hard wood cutting, how many nodes should be under the rooting

    t. At least 1

    1. 1 to 3

    2. 2 to 4

    3. 3 to 5

  19. Why are rooting hormones applied to cuttings?

    1. To increase the plant’s ability to reproduce.

      1. To promote the production of a new root system.

        1. To help the cutting resist disease.

        2. To promote the production of healthy leaves, flowers and berries.

  20. Why must a hole or furrow be made in the growing media before sticking the cutting?

    1. To prevent the rooting hormone from getting knocked off the end of the cutting.

    2. To make the process of sticking the cutting easier.

    3. To establish the depth to which the cutting should be planted.

    4. To maintain good air circulation around the cutting’s base.

  21. How many seconds should a cutting be held in a liquid IBA rooting hormone?

    1. 2

      1. 5

      1. 10

      2. 12

  22. How far should cuttings be inserted into the rooting media?

    1. ½ to 3 inch

    2. ¾ to 2 inch

w. 1 to 2 inch

c. 1 ½ to 3 inch

795 It is important to firm the soil around the base of the cutting due to following reasons:

  1. To eliminate air pockets.

  2. To make sure the base of the cutting makes good contact with the rooting media.

  3. Neither A nor B

x. Both A and B

  1. Why is it important to evenly space the cuttings in the rooting medium?

    1. To promote good air circulation.

    2. To cut down on the transmission of disease organisms.

      y. To make the best use of the propagation space.

      c. All of the above.

  2. What portion of the stem of a cutting should be coated with rooting hormone?

    1. A portion which includes at least two nodes.

    2. The bottom ¼ inch.

      z. The portion of the stem that will be under the media.

      c. The entire cutting should be covered with hormone.

  3. What is the final step of preparing cuttings?

    1. Preparing the rooting media.

    2. Selecting quality cutting stock.

    3. The application of rooting hormone.