Agriculture MCQs Preparation for Agriculture Officer

Agri-MCQs # 17: Horticultural Sciences

fasalbachao.com December 29, 2020

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INSTITUTE OF HORTICULTURAL SCIENCES
MULTIPLE CHOICE QUESTIONS FOR ENTRY TEST

The edible part of potato is:
1. Root
2. Tuber
3. Rhizome
4. Corm
Vegetable production for local consumption is:
a Market gardening
b Home gardening
c Truck gardening
d Vegetable forcing
Foliage plants with extremely tender and watery stem are :
1. Herb
  1. Succulents
  2. Vine
  3. Runner
Most of the summer vegetables are:
1. Annual
2. Biennial
3. Perennial
4. None
Summer vegetables can be grown out of season in a climatic region:
e. Lower Sindh
1. Upper Sindh
2. Southern Punjab
3. Northern Punjab
In seed formation the inner integument remains thin and develops into:
1. Testa
  f. Tegmen
  1. Aril
  2. Hilum
During seed formation, a sear left by the funiculus is termed as
1. Hilum
2. Funiculus
3. Operculum
4. Raphe
Cracking in tomato fruit is due to:
1. High nitrogen level
2. Temperature fluctuations
3. Soil moisture fluctuations
4. All of these
Endosperm like tissue (2n) in seed developing from nucellus is :
1. Endospem
2. Cotyledom
3. Perisperm
4. Mericarp
Orthodox seeds after dissemination may be
1. None dormant
2. Dormant
3. Quiescent
  i. All of above
Reduction or elimination of dormancy in crop plant is due to :
1. Domestication
2. Hybridization
3. Mutation
  j. Acclimatization
Dormancy due to factors within the embryo is:
1. Endogenous
2. Exogenous
3. Combination
4. None of above
Secondary dormancy in non dormant seeds is due to:
1. Temperature
2. Moisture
3. Aeration
4. Light
Germination of undeveloped seeds is favored by:
1. Warm temperature (>20°C)
2. Gibberallic acid
3. Low temperature (<20°C)
4. a & b
During stratification, the most important factor is:
1. Temperature
2. Duration
3. Media
  e. All of above
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
Seed vigor is affected by
1. Time of storage
2. Type of seed stored
3. Storage environment
4. All of above
Tetrazolium test to check seed viability is
1. Chemical test
2. Enzyme test
3. Germination test
4. a & c
Researchers describe seed moisture contents in terms of :
1. Dry weight
2. Wet weight
3. Percent weight
4. a & b
Controlled inhibition of seed is termed as:
1. Priming
2. Soaking
3. Chilling
4. None of above
Celery and lettuce at high temperature become
1. Photodormant
2. Thermodormant
3. Ecodormant
4. Non dormant
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
Most of following category crops are shallow rooted
1. Summer
2. Winter
3. Off season
4. All of above
Deep rooted vegetables require:
1. Less frequent irrigation
2. More water at each irrigation
3. Both a & b
4. None of above
Fruit of following vegetables is edible:
1. Summer
2. Winter
3. Cruciferous
4. All of above
Mulches are mainly used to reduce
1. Transpiration
2. Evaporation
3. Evapotranspiration
4. All of above
What type of mulches reduce soil temperature?
1. Organic mulch
2. Gray polythene
3. Black polythene
4. Transparent polythene
For hybrid seed production flowers are completely suppressed on female
plants.
1. Staminate
2. Pistillate
3. Staminode
4. Alternate
Recommended cucumber cultivars under tunnel production technology are:
1. Monoecious
2. Gynoecious
3. Andromonoecious
4. Gynomonoecious
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
Nature of pollination in cucurbits is:
1. Highly cross pollinated
2. Oftenly cross pollinated
3. Highly self pollinated
4. None of above
Ginger is commonly cultivated as:
1. Annual
2. Biennial
3. Perennial
4. Biannaul
Cross pollination is essential in following type of vegetables.
1. Monoecious
2. Dioecious
3. Gynoecious
4. Perigynous
Cross pollination in plants bearing bisexual flowers is due to
1. Dichogamy
2. Herkogamy
3. Heterostyly
4. All of above
In anemophilous plants, pollens are disseminated by means of:
1. Insects
2. Water
3. Wind
4. Gravity
In pollen development Gametocides induces a problem of:
1. Sterility
2. Viability
3. Fertility
4. Mobility
Production of seeds without fertilization is termed as:
1. Parthenocarpy
2. Parthenogenesis
3. Gametogenesis
4. All of above
Most of the hybrid watermelon and cucumber are:
1. Triproid
2. Diploids
3. Aneuploids
4. Colchiploids
Removal of off type plants from a seed field is termed as:
1. Weeding
2. Rouging
3. Hoeing
4. All of above
The most important seed component affecting seed /viability during storage is:
1. Temperature
2. Humidity
3. Moisture
4. Food reserves
Potato is generally propagated through
1. Seed potato
2. Potato seed
3. True Potato Seed
4. All of above
Isolation during seed production is done by:
1. Types (Varieties)
2. Plantation at a distance
3. Zoning
4. All of above
The most common pollinator insect in Pakistan is
1. Syrphid fly
2. Bumble bees
3. Honey bees
4. House fly
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
Male sterily is not due to
1. Genetic factor
2. Genome factor
3. Cytogenetic factor
4. Nutritional factor
Hybrid vigor in vegetables is manifested by
1. High yield
2. Uniformity in size
3. Uniformity in maturity
4. All of above
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
In Pakistan, vegetables for seed production are harvested by:
1. Manual method
2. Machines
3. Combine harvestors
4. All of above
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
The poorest seed storage capacity is in:
1. Okra
2. Peas
3. Cucurbits
4. Onion

51 Nitrates are absorbed at pH below :

Hormones which control apical dominance are:
1. Auxins
2. Cytokinins
3. Gibberellins
4. Polyamines
Tetraploid watermelon must be pollinated by plants to produce a seedless
watermelon
1. Triploid
2. Aneuploid
3. Diploid
4. Tetraploid
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 :

Date palm
Mango
Papaya
Citrus

Tomato is a crop.
1. Self pollinated
2. Insect pollinated
3. Oftenly cross pollinated
4. Wind pollinated
Turmeric is propagated by:
1. Corms
2. Seed
3. Rhizome
4. Bulb
Sweet potato is propagated by:
1. Stem cuttings
2. Tubers
3. Roots
4. a & b
Self pollination is a form of:
1. Inbreeding
2. Out breeding
3. Random mating
4. None of these
Cross pollination is associated with:
1. Cleistogamy
  e. Chasmogamy
  1. Dichogamy
  2. Apogamy
Completion of pollination and fertilization in unopened flower bud is termed as
1. Chasmogamy
2. Apogamy
  f. Cleistogamy
  c. Dichogamy
Maturation of anthers and stigma at the same time refers to:
g. Homogamy
1. Chasmogamy
2. Cleistogamy
3. Dichogamy
Fertilization after opining of flower refers to:
1. Cleistogamy
  h. Chasmogamy
  1. Homogamy
  2. Herkogamy
Male sterility promotes:
1. Autogamy
2. Allogamy
3. Homogamy
  i. Chasmogamy
Exposure of seed to low temperature before germination is termed as :
1. Scarification
  j. Stratification
  1. Vernalization
  2. All of above
Imbibed or germinated seeds subjected to cold temperature is termed as:
1. Scarification
2. Startification
  k. Vernalization
  c. Sterilization
Which of following vegetable does not require specific low temperature before
flowering:
1. Beetroot
2. Cabbage
3. Onion
  l. Brinjal
Edible part of cauliflower is :
1. Flowers
2. Flower bud
  m. Vegetative bud
  c. Inflorescence
Edible portion of cabbage is
1. Terminal bud
  n. Leaves
  1. Leaves + inflorescence
  2. All of above
Cole crops are:
o. Hardy
1. Half hardy
2. Non hardy
3. Semi hardy
Which of the following crop has lowest water contents:
1. Cucumber
2. Watermelon
3. Bottle gourd
1. Cauliflower
The commercial variety of watermelon is:
1. Sugar baby
1. Red beauty
2. Red king
3. Sugary
Vine of crop of bottle gourd is not staked during:
r. Summer season
1. Rainy season
2. Early season
3. Late season
Which one is not the best source of protein?
s. Potatoes
1. Peas
2. Beans
3. Okra
The cause of hotness in Chillies is:
1. Cucurbitacin
  t. Capsaicin
  1. Allicin
  2. All of above
Which crop is most susceptible to viral infection :
1. Chilies
  1. Tomato
    1. Onion
    2. Brinjal
Which of the following vegetable has a dioecious behaviour:
1. Onion
2. Cabbage
3. Bitter gourd
  1. Spinach
Consecutive use of garlic will reduce the level of:
1. Cholesterol
  1. Sugar
  2. Uric acid
  3. None of above
Bulb production in onion is dependent upon:
1. Temperature
2. Soil moisture
  1. Day length
  c. All of above
Red colour of carrot is due to :
1. Lycopene
  y. Carotene
  1. Anthocyanin
  2. Propanene
Colour of carrot roots is affected by:
1. Soil temperature
  z. Soil moisture
  1. Soil texture
  2. All of above
Radish belongs to family:
aa. Cruciferae
1. Umbelliferae
2. Leguminoseae
3. Poaceae
For an early harvest, cucurbits are grown on:
1. Rocky soils
2. Sandy soils
3. Clayey soils
4. Organic soils
Tomato fruit is botanically a:
1. Berry
2. Pome
3. Drupe
4. Hip
The portion of axis below the cotyledons in seed is:
1. Micropyl
2. Hypocotyl
3. Epicotyl
4. None of above
Which type of flowers can not produce seeds and / or fruit?
1. Pistillate
2. Perfect
3. Hermaphrodite
4. Staminate
Degeneration of above ground parts in ginger is due to
a.Senescence
b. Maturity
c.Partial senescence
d.Over ripening
In spinach, pollination takes place by means of:
1. Water
2. Insects
3. Birds
4. Wind
Tender crop cannot tolerate a minimum temperature of
1. -2°C
2. -1°C
3. 0°C
4. All of above
Optimum temperature for cool season vegetables is:
a. 25-30°C
b. 25-27°C
c. 18-24°C
d. 15-20°C
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
Tomato, chillies and brinjal are grouped as
1. Cole crops
2. Fruit crops
3. Solanaceous crops
4. Summer crops
Color development in tomato fruit is due to
1. Lycopene
2. Carotenoid
3. Polypropylene
4. All of above
Cucurbits consumed at immature stage are grouped under:
1. Summer squashes
2. Winter squashes
3. Gourds
4. Pumpkins
Almost all vegetables are dioeceous with respect to flower.
1. Summer
2. Winter
3. Both of these
4. None of these
Term vine yard is used for:
1. Grape plantation
2. Citrus plantation
3. Mango plantation
4. None of these
Term viticulture is used for:
1. Grape cultivation
2. Citrus cultivation
3. Mango cultivation
4. None of these
Home gardening deals with vegetable production for:
1. Home consumption
2. For local market
3. At commercial level
4. All of these
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 :

Cool
Dry
Hot
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. 7–15 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
Drupe fruit

Pome fruit
Berry fruit
Aggregate fruit

Citrus is a special type of
f. Berry
1. Pome
2. Drupe
3. None of these
Dicots could be identified on the basis of:
g. Reticulate leaf venations
1. Parallel venations
2. No leaf venations
3. None of these
In binomial nomenclature system, 1st name is:
h. Genus name
1. Spp. name
2. Family name
3. Sub. Family name
Most of the summer vegetables belong to family:
1. Solanaecae
  1. Cucurbitaceae
2. Malvaceae
3. Poaceae
Cultivar means
1. Some cultivated variety
1. Discarded variety
2. Rejected variety
3. Approved variety
Pears and beans are rich source of:
1. Carbohydrates
  k. Protein
  1. Both
  2. None of these
Potato and sweet potato are well known for
l. Carbohydrates
1. Proteins
2. Vitamins
3. All of these
Leafy vegetables provide
m. Iron
1. Carbohydrates
2. Protein
3. None of these
Iron is a carrier of
n. Oxygen
1. CO2
2. Both of these
3. None of these
Vitamin A is effective against
o. Night blindness
1. Beri beri disease
2. Gum problems
3. None of these
Carrot is a rich source of vitamin:
p. Vitamin A
1. Vitamin C
2. Vitamin D
3. Vitamin E
Cole crops are comprised of:
1. Cauliflower
2. Cabbage
3. Knol Khol
  q. All of these
Salad crops are
1. Lettuce
2. Radish
3. Cabbage
  r. All of these
Which of the following crop is grown sexually
1. Potato
2. Garlic
  s. Onion
  c. Turmeric
Tomato varieties are mainly:
1. Indeterminate type
2. Determinate type
  t. Both types
  c. None of these
Fertigation refers to the application of fertilizer with
1. Water
  1. Rain
  2. Both of these
  3. None of these
In hydroponic system plants are grown in
1. Water
1. Soil
2. Sand
3. Gravels
Through drip we can provide
1. Water
2. Fertilizer
  w. Both of the above
  c. None of these
Nitrogen in vegetables is needed for
x. Vegetative growth
1. Ripening /maturity
2. Reproductive growth
3. None of these
Seed potato seed has
y. Dormancy
1. Rest period
2. Both of these
3. None of these
Carrot and coriander belong to the family
z. Umbelliferae
1. Crucifereae
2. Cucurbitaceae
3. None of these
Potato belong to the family
aa. Solanaceae
1. Umbelliferae
2. Cruciferae
3. None of these
Melons belong to the family
1. Cucurbitaceae
2. Solanaceae
3. Crucifereae
4. None of these
Melons have seeds in
e. Cavity/centre
1. Scattered
2. Both type may be
3. None of these
Cantaloupe belongs to the group:
1. Cucurbits
  f. Melons
  1. Gourds
  2. Squashes
Hybrid varieties of cucumber grown in tunnels are:
g. Parthenocarpic
1. Zygotic
2. Both types
3. None of these
Staking of vines in rainy season is done to avoid:
1. Insect attack
  h. Disease attack
  1. Sunscald
  2. None of these
Optimum temperature for potato tuber formation is
i. 20–22°C
a. 25-30°C
b. 22-25°C
c. All of these
Tuber initiation in potato starts after
j. 7th week
1. 9th week
2. 5th week
3. 4th week
Color of carrot depends upon
1. Age
2. Variety
3. Season
  1. All of these
Splitting of carrot is due to
1. Fresh manure
1. Heavy fertilizer
2. Less fertilizer
3. None of these
High temperature in chillies causes
1. Flower drop
2. Fruit drop
  m. Both of the above
  c. None of these
Early blight and late blight of potato are
n. Fungal disease
1. Viral disease
2. Bacterial disease
3. Disorders
Potato dormancy can be broken through
1. Chemical treatment
2. Low temperature
  o. Both of these
  c. None of these
Dormancy period in potato is about
1. 2 Months
2. 1 Month
  p. 3 Months
  c. ½ Month
Seed rate/acre in potato for autumn crop is
q. 900–1100 Kg
1. 500 Kg
2. 400 Kg
3. 100 Kg
Potato cut tuber are used for planting during
1. Autumn crop
  r. Spring crop
  1. Both of above
  2. None of above
Hollow heart of potato is a
1. Disease
  s. Disorder
  1. Insect attack
  2. Deficiency
Potato tubers become green if
t. Exposed to light
1. Attacked by insect
2. Infected
3. None of these
Virus free seeds of potato are produced in
1. Hilly areas
  1. Spring crop
  2. In plains
  3. Autumn crop
Okra belongs to family
1. Malvaceae
1. Solanaceae
2. Cucurbitacaea
3. Chenopodiaceae
Desiree and Cardinal are varieties of
1. Carrot
  1. Potato
    1. Radish
    2. Peas
Which of the following vegetable is directly seeded in field:
1. Chillies
2. Tomato
3. Brinjal
  1. Peas
Buttoning is a disorder of
1. Cauliflower
1. Peas
2. Potato
3. Tomato
Production of very small sized heads in cauliflower is called
z. Buttoning
1. Belting
2. Both of these
3. None of these
Development of seed stalks earlier in biennial crops is called
1. Bolting
2. Buttoning
3. Greening
4. None of these
Bolting in biennial crops is due to
e. Low temperature exposure
1. High temperature exposure
2. Both of these
3. None of these
Quality seed carrot is produced through
1. Seed to seed method
2. Toping in situ method
  f. Steeklings
  c. None of these
Bloosom end rot of tomato is due to
1. Infection/disease
  g. Boron/ Ca. deficiency
  1. Insect attack
  2. Nutritional deficiency
Vegetables belonging to the cross pollinated group is
1. Peas
2. Tomato
3. a & b
  h. Cabbage
White brinjals are commonly grown for:
i. Ornamental purpose
1. Salad purpose
2. a + b
3. None of these
Tunnels for vegetable forcing are categorized as
1. High type
2. Low type
3. Walk in type
  1. All of these
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
Dormancy of seeds are broken by
l. GA
1. Ethylene
2. Water
3. None of above
Femaleness in cucumber is induced by :
1. GA
2. ABA
3. IBA
  m. None of above
Maleness in cucumber is induced by :
n. GA
1. ABA
2. IBA
3. None of above
Plants, protein, RNA, DNA contents are increased by
1. Auxins
2. Adenine
  o. Cytokinins
  c. None of above
Most of the cucurbits are:
p. Salt tolerant
1. Salt sensitive
2. a & b
3. None
Most commonly used growth retardants are
q. Phosphon
1. MH
2. Caumarin
3. None of above
Alar significantly increased fruit.
1. Size
2. Color
3. Weight
  1. All of above
In green plants light favour the formation of
1. Auxin
1. GA
2. ABA
3. IBA
Potato belongs to the family
1. Umbliferae
2. Cucribtacea
  t. Solanaceae
  c. Alliaceae
Parthenocarpic cucumber develops due to:
1. After pollination
  1. Without pollination
    1. None of above
    2. a & b
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
Which crop is reproduced sexually
1. Ginger
2. Turmeric
  w. Onion
  c. None of above
Which crop propagated by asexual means:
x. Sweet potato
1. Chillies
2. Cauliflower
3. None of above
Vegetables which grow during summer
1. Turnip, Raddish
  y. Cucumber, watermelon
  1. Cauliflower, Cabbage
  2. None of above
Vegetables which grow during winter
1. Cole crops
2. Cucurbits
3. Root crops
  z. a & c
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
Which vegetables is transplanted without earthen ball
1. Cucumber,
2. Watermelon
  e. Cauliflower
  c. None of above
These vegetables are cross pollinated in nature
f. Cauliflower, cabbage
1. Spinach, Peas
2. Raddish
3. None of above
Which vegetable is self pollinated
g. Peas
1. Cucumber
2. Watermelon
3. Sponge gourd
The Botanical name of sweet pepper is
1. Capsicum annum
2. Capsicum fruitesence
  h. Capsicum groosum
  c. None of above
Botanical seed of potato is
1. Seed potato
  i. Potato seed
2. None of above
3. Slips
The origin of the peas is
1. Africa
  j. Asia
  1. America
  2. Europe
New growth of plants need water for proper development:
1. Low
2. Medium
  k. High
  c. Very High
Which vegetables consist of more concentration of Vit. A
l. Carrot
1. Fenogreek
2. Potato
3. Peas
Which vegetable consist of more Vitamin C contents:
m. Tomato
1. Turnip
2. Radish
3. Cauliflower
Which vegetable having high concentration of fats.
1. Sweet potato, potato
2. Water melon, musk melon
3. Cabbage, Cauliflower
  n. None of above
Which of the family is also named as Nightshade family:
1. Alliace
2. Cucurbitaceae
  o. Solanaceae
  c. None of above
Which one of the following is a bulb crop:
p. Garlic
1. Potato
2. Ginger
3. Arum
Botanical name of water melon is :
q. Citrullus lanatus
1. Citrllus vulgaris
2. Citnullus fistulosis
3. None of above
Auxin antagonists compounds interact with auxins as:
r. Counteract
1. Increase
2. Decrease
3. None of the above
The compounds which inhibit the activity of auxins are known as:
1. Auxin antagonists
  s. Antiauxins
  1. Epinostic agent
  2. All of above
Compounds possessing hormone like properties which have small molecular weight,
are termed as :
1. Auxins
2. Gibberellins
  t. Kinins
  c. None of these
Many in super optimal concentrations also act as growth inhibitors :
1. Auxins
  1. Gibberellins
  2. Cytokinins
  3. All of above
In plants auxin are mainly present in:
1. Root tips
2. Stem end
  1. Shoot tips
  c. Leaf margins
Direction of plant growth is controlled by:
w. Auxins
1. Gibberellins
2. Kinins
3. All of above
The amount of growth regulators present in naturally parthenocarpic fruits is:
x. High
1. Low
2. Intermediate
3. None of above
Factors involved in the formation of auxins are:
1. Age of apex
2. Light
3. Zinc
  y. All of the above
Tumerous tissue cells are promising source of:
1. Abscibic acid
  z. Kinin
  1. Alar
  2. Jasminoides
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
have ability to alter the sex of the flowers:
1. Auxins
2. Gibberellins
3. Kinins
4. None of above
can release lateral buds from apical dominance :
1. Auxins
2. Gibberellins
  e. Kinins
  a. None of above
Leaf senescence can be retarded by the application of :
1. Auxins
2. Gibberellins
3. Kinins
4. Abscicic acid
Growth retardants are the substances which slow down :
1. Cell division
2. Cell elongation
3. a & b
4. None of the above
Auxin destruction activity is inhibited by :
1. Blue light
  e. Red light
  1. Green light
  2. None of the above
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
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
Dormancy can be broken by the use of:
1. Thiourea
2. Ethlene chlorohydrin
3. Ethylene acetylene
  h. All of the above
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
Solanum melogena is locally known as :
1. Tomato
2. Potato
  j. Egg plant
  c. Chillies
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
At fruit bud differentiation, nitrogen contents are :
l. Low
1. Medium`
2. High
3. Very high
Word pomum means:
m. Fruit
1. Vegetable
2. Flower
3. None of these
Chromose number of citrus is:
a.
8
n.
9
b.
10
c.
11
Parthenocarpy refers to :
1. Seedless fruits
  o. Fruit without pollination
  1. Seeds without pollination
  2. None of above
Flower of grapes is technically called as:
1. Umbel
2. Recemose
3. Clyptra
4. None
Anthesis of grapes complete at:
1. Pedicel fall
2. Calyx drop
  e. Cap fall
  a. None
Date palm leaf is called:
1. Simple leaf
2. Long leaf
  f. Frond
  a. Pinna
Dioecious, monocot fruit tree is:
1. Banana
2. Pomegranate
  g. Date palm
  a. Papaya
Dicot, diecious fruit tree is:
h. Papaya
1. Date palm
2. Mango
3. Banana
Monocot and monoecious fruit plant is:
i. Banana
1. Papaya
2. Date palm
3. None
Tree fruit can tolerate a soil pH in the range of:
a.
4.5-8.5
b.
5.5-8.0
c.
5.0-8.0
j.
5.5-8.5
Water potential in rhizosphere is measured with:
k. Tensiometer
1. Hygrometer
2. pH meter
3. Thermo meter
Grape plant is technically called as:
l. Liana
1. Vine
2. Creeper
3. Bush
Guava plant is technically categorized as:
m. Bush
1. Tree
2. Herb
3. None
Citrus belongs to sub family:
1. Citrea
2. Clausnea
  n. Aurantioideae
  c. Citrae
Citrus fruit is botanically:
o. Hesperidium berry
1. Pome fruit
2. Climacteric fruit
3. None
Apple fruit develops from:
p. Thalamus
1. Ovary
2. Ovule
3. Pedicel
A complete flower has:
1. 5 whorls
2. 3 whorls
3. 2 whorls
  1. 4 whorls
Kinnow seed is:
1. Polyembryonic
1. Monoembryonic
2. Multiembryonic
3. None
Apomictic seedlings are also called as:
s. Nucellar seedlings
1. Sexual seedlings
2. Embryonic seedlings
3. None
Cherry is a:
1. Berry fruit
  t. Stone fruit
  1. Pome fruit
  2. Drupe
Seed of strawberry fruit is:
1. Achene
  1. True seed
  2. Viable seed
  3. Aborted seed
Mulberry is a fruit of type:
1. Multiple
2. Berry
  1. Aggregate
  c. Peppo
The biggest fruit plant containing family is:
w. Rosaceae
1. Citrea
2. Leguminoseae
3. Vitaceae
Chilling injury in plants occurs at a temperature:
1. <4°C
  x. <5°C
  1. <8°C
  2. <9°C
Both Mango and Pistachio belongs to one family:
y. Anacardiaceae
1. Mangifera
2. Gramineae
3. None
Date palm is also called as:
z. Feather palm
1. Wild palm
2. Century palm
3. Domestic palm
Green hard stage of date fruit is:
1. Kimri
2. Rutab
3. Doka
4. Dung
Date fruit for curring is harvested at:
e. Rutab stage
1. Tamar stage
2. Dung stage
3. None
Banana fruit is called as
f. Finger
1. Hand
2. Heart
3. None
Peaches belongs to family
g. Rosaceae
1. Rutaceae
2. Palmaceae
3. None
Kumquat fruit is edible
h. Whole fruit
1. Without peel
2. With seed
3. None
Guava is a rich source of
1. Vitamin C
2. Pectin
3. a & b
4. Sugar
Common rootstock for citrus in Punjab
i. Rough lemon
1. Sour orange
2. Sweet orange
3. Sweet lime
Pruning is a regular practice in date palm variety
1. Hillawi
2. Khudrawi
  j. Deglet Noor
  c. Hillini
Excess of N in citrus plant may cause
1. Leaf drop
2. Lodging
  k. Flower drop
  c. Fruit drop
Alternate bearing is a problem of following fruit crops
1. Mango
2. Apple
3. Citrus
  l. All of above
Citrus can tolerate a salinity level
1. pH 9.0
  m. pH 8.5
  1. pH 7.5
  2. pH 4.5
Male inflorescence of Cashew nut and Walnut is called
n. Catkins
1. Rachis
2. Cyme
3. None
“Hari” is a rootstock for
1. Walnut
  o. Apricot
  1. Mulberry
  2. None
Apple bears on
1. Shoots
2. Sprigs
  p. Spurs
  c. Twigs
Bearing habit of mango is
q. Terminal
1. Lateral
2. Axillary
3. Basal
Polyembryony means
1. One embryo
2. Two embryo
3. More than two embryo
  r. More than three embryo
Head in fire, foot in water is a proverb for
1. Olive
2. Coconut
  s. Date palm
  c. None
Pears are
1. Universally self compatible
  t. Universally self incompatible
  1. Gross compatible
  2. None
Quince is a common rootstock for
1. Peach
2. Plum
  u. Pear
  c. Pomegranate
Parienth is the fnion of
1. Calyx and Corolla
2. Pedicel and Thalamus
3. Stamen and Stigma
4. Style and Ovary
Spur is defined as
1. Mature productive wood
2. Inmature juvenile wood
3. a & b
  1. Mature wood with rosette head
Chimera refers to
1. Somatic cell fusion
1. Gametic cell fusion
2. Undiffereciated cell
3. None
Metaxenia is the impact of
1. Pollen on seed
  g. Pollen on fruit
  1. Pollen on ovule
  2. Pollen on ovary
Senescence is a stage of
h. Tissue decay
1. Tissue multiplication
2. Tissue vigour
3. Tissue ripening
Rest is a natural process in
1. Seed
  i. Seed & plant
2. Plant
3. Tropical plant
Dormancy in plant and seed is mainly due to
1. Environmental factor
2. Physiological factor
3. a & b
4. None
Petiole is a main part of
1. Flower
  j. Leaf
  1. Inflorescence
  2. Twig
Micropyle is an opening in
1. Stomata
  k. Seed
  1. Ovary
  2. Flower
Skirt in date palm fruit is
1. Exocarp
2. Merocarp
  l. Endocarp
  c. Seed
Recommended matrix height in citrus is
1. 4 inches
2. 6 inches
  m. 9 inches
  c. 12 inches
Common rootstock used for sweet orange in NWFP.
n. Sour orange
1. Rough lemon
2. Citrumello
3. None
Berry splitting in citrus and strawberry is due to
o. High temperature
1. Low moisture
2. High sunlight
3. High air pressure
Mango varieties in Pakistan are
p. Monoembryonic
1. Polyembryonic
2. Mono to Polyembryonic
3. None
Asexually apple rootstocks is raised by
1. Grafting
2. Budding
  q. Stooling
  c. Layering
Lemons and limes can also be propagated by
1. Layering
2. Cuttings
3. a & b
4. None
Common rootstocks for apple in Pakistan
1. M-7
2. M-9
  r. Crab apple
  c. Sky spur
Systematic pomology deals with
1. Commercial fruit production
  s. Nomenclature
  1. Domestic production
  2. Export production
The Genus Fortunella include :
1. 7 spp.
2. 6 spp.
3. 5 spp.
  1. 4 spp.
Genus Poncirus has
1. 1 spp.
  1. 3 spp.
  2. 6 spp.
  3. 16 spp.
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
Major insect attacking the summer crop of guava during summer crop is :
1. White fly
2. Fire fly
  w. Fruit fly
  c. Drosophilla fly
Grapevine needs :
x. Bulk pruning
1. Light pruning
2. Moderate pruning
3. No pruning
A self supporting vine type stem is called.
1. Vine
2. Shrub
3. Herb
  y. Liana
Edible part of pomegranate is
1. Seed
2. Vesicles
3. Mesocarp
  a. Aril
Apple and pears are classified as
1. Drupe
2. Pome
  1. Berry
  2. Hesperidium
Nut fruits are derived from
1. Epigynous flower
  c. Hypogynous flower
  1. Perigynous flower
  2. Hypo and perigynous flower
Strawberry is a fruit of type.
1. Multiple
1. Achene
2. Berry
3. Aggregate
The coldest region for citrus growing is
1. U.S.A.
2. New Zealand
1. Australia
2. Pakistan
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
Chromosome number of mango are
h. n=20
1. n=17
2. n=8
3. n=11
Unfertile stamens of mango are called.
1. Sterile
2. Indehiscent
  1. Staminoides
3. Pistilloids
Mango flower carries fertile stamens which are.
1. One
1. One or two
2. Three
3. One or three
Low temperature regime in summer which stops growth of mango is :
1. 35°F
2. 30°F
3. 20°F
  1. 18°F
Canary date differs from cultivated date in
1. Length of fronds
2. Arrangement of pinnus
3. Thickness of stem
4. Area of origin
Wild dates (P. sylvestris) is important due to
1. Nutritious fruit
2. Sweetness of fruit
3. Sugar production
  p. Medicinal value.
Maximum production of date palm is in:
1. Iran
2. Algeria
3. U.S.A.
  q. Iraq
Apple belongs to the family
1. Ancardiaceae
2. Palmaea
3. Rutaceae
  1. Rosaceae
Apple is a fruit of
1. Temperate region
1. Sub tropical
2. Tropical
3. Temperate and sub tropical
Apple flower has carpels like
t. Five
1. Six
2. Seven
3. One
Date growth does not cease if temperature does not fall below:
1. 0°C.
2. 10°C
  1. 18°C
    a. 20°C
Seedless date palm variety is:
1. Hassaku
1. Hillai
2. Ajwa
3. None
Pruning is carried out in date palm variety:
w. Deglet Noor
1. Hillawi
2. Khudrawi
3. Ajwa
Date palm propagation is by means of:
x. Suckers
1. Seeds
2. Off shoots
3. None
Mushroom seed is called:
y. Spawn
1. Seed
2. Button
3. None
Mushroom are cultivated on:
1. On soil
2. Hydroponic
  z. Dead mass
  c. On trees
Banana plants are infected with:
aa. Banana bunchy top
1. Anthracnose of stem
2. Rhizome wilt
3. None
Banana fruit bunch is called:
1. Hand
2. Heart
3. Finger
4. All of above
Banana plant bears in it’s life time:
e. Once in life
1. Twice in life
2. Multiple times
3. All of above
Banana propagation is carried out through:
f. Sword sucker
1. Water suckers
2. Aerial suckers
3. All of above
Banana is a fruit type of:
1. Non climacteric
  g. Climacteric
  1. Recurrent climacteric
  2. All of above
Apple and pear belongs to:
1. Same genus
  h. Different sub genus
  1. Different genera
  2. All of above
Apple is a rich source of mineral:
1. Carbohydrates
2. Proteins
3. Vita-A
  i. Iron
Apple bears on spurs in cluster of:
1. 3 Flowers
2. 4 Flowers
  j. 5 Flowers
  c. More than all above
Apple flower is distinguished from pear flower:
1. Due to its colour
2. Due to its size
3. a & b
4. None
Honey extracted from almond flower is inedible due to:
k. Amygdalus factor
1. Oxalic acid
2. a & b
3. None
Almond and peach belongs to:
1. Same genus and spp.
  l. Some germs & different spp.
  1. Different genus & different spp.
  2. All of above
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
Salt tolerant fruit plants are:
1. Date and Ber
2. Ber and Guava
  n. a & b
  c. None
Adopted planting system of orchard in Pakistan is:
o. Square system
1. Rectangular system
2. Hexagonal system
3. All of above
RCBD stands for:
1. Repeated control block design
2. Reported complete block design
  p. Randomized complete block design
  c. All of above
Nitrogen in plant sample is estimated by:
1. Refreshrometer
  q. Kjeldhal’s apparatus
  1. Spectrophotometer
  2. All of above
Jaman has a medicinal value against:
r. Diabetes
1. Cancer
2. Blindness
3. All of above
Chinese layering is practiced in:
1. Mulberry
2. Strawberry
  s. Litchi
  c. All of above
Abscission in fruit occur due to:
t. Excessive abscissic acid
1. Excessive Ghrtamic acid
2. Excessive Lactic acid
3. Excessive Citric acid
Button in citrus fruit is:
1. Calyx at base
2. Calyx at apex
3. a & b
4. All of above
Pomology is a study of
1. Fruit plants
  1. Pome fruit
  2. Medicinal plants
  3. Deciduous plants
The microsporogenesis is the formation of

Male gamete

Female gamtete
Female and male gamete
Non of these

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

Senescence
Ripening
Climacteric
Degeneration

Plants response to the relative length of daylight or darkness is known as:
1. long day
2. Short day
3. Neutral
  e. Photoperiodism
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
The development of fruit without fertilization or seed is called as:
1. Pollination
2. polyembryony
3. pseudogamy
  g. Parthenocarpy
The commercial yield of citrus orchards in tropical and subtropical are commonly:
1. Equal

h. 50% less in tropical than subtropical regions

50% more in tropical than subtropical regions
All wrong

335 High nitrate supply helps to maximum carbohydrates:

Utilize

Store
Synthesize
Increase

Nuceller seedlings are also called as:
1. Monoembryony
2. Zygotic seedling
  j. Polyembryony
  c. None of them
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
Spongy tissue in mango is due to
1. Fungul disease
2. Viral disease
3. Bacterial disease
  l. Physiological disorder
The soil moisture conservation technique under covered ground area is called:
1. Fertigation
  m. Mulching
  1. Microjet irrigation
  2. Hydraulic
Bananas main portion which remains above the ground is called as:
1. Stem
2. Rhizome
  n. Pseudostem
  c. Crown
Low temperature helps to growth inhibitors:
1. Increase
  o. Decrease
  1. Store
  2. Produce
Gross Michel is high yielding variety of:
1. Papaya
2. Grapes
  p. Banana
  c. Litchi
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
The foster is variety of :
1. Mandarin
2. Sweet orange
3. Pummelos
  r. Grape fruit
The non-climacteric fruit is
1. Banana
2. Mango
3. Apple
  1. Citrus
Bunchy top disease in banana is said to be due to:

Virus

Insects
improper storage
fungus

347 Severe pruning in grapes is recommended:

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
Apple

Reproduction of plants through seeds are also called:
1. Asexual propagation
2. Vegetative propagation
  w. Sexual propagation
  c. Tissue culture
The plants shed their leaves during autumn are called;
1. Evergreen
  x. Deciduous
  1. Hardy plants
  2. Non of them
Ripened ovary is called as:
1. Flower
2. Seed
  y. Fruit
  c. Embryo
Pollination between two such flowers situated on the same plant is known
1. Autogamy
  z. Allogamy
  1. Cross pollinated
  2. None of these
A good example of dioecious plant is
1. Apricot
2. Pear
3. Plum
4. Papaya
Sensation is the variety of:
1. Sweet orange
2. Grape fruit
3. Mandarin
  1. Mango
Tomato nursery established during September could be transplanted in the field during
:
1. October
1. November
2. November/December
3. January/February
The variety originated from a cross of King X Willow leaf is:
1. Clementine
2. Fair child
3. Feutrell’s early
  1. Kinnow
Causes of misshapen and angularity in cucumber fruit under tunnel is due to
1. Poor pollination
1. Poor fertilization
2. Proper pollination
3. None
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
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
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
The example of above ground modified stem is
1. stolons
1. Corms
2. Tuber
3. Rhizome
Edges of the leaf are called
g. Margin
1. Midrib
2. Veins
3. Petiole
In citrus, 2n chromosome number is
1. 18
2. 22
3. 33
4. 20
Botanical name of sweet orange is
1. C. citrii
2. C. chinensis
  h. C. sinensis
  c. Non of them
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
Zinc deficiency is sweet orange causes
1. Chlorosis in fruit
  j. Chlorosis in leaves
  1. Streaks on leaves
  2. sweetness of fruit.
Antagonistic effect of Fe on Zn availability in sweet orange causes:
1. Leaf drop
2. Fruit drop
3. Reduce fruit weigh
  1. Zn deficiency
Blooming in mango occurs:
1. February to Mid April
1. January to first week of February
2. September-October
3. May – June
The whole inflorescence in mango is called as
1. Spike
  m. Panicle
  1. Spath
  2. Non of these
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
Maximum number of flowers in mango are borne on
1. August flush
2. June flush
3. May flush
  o. April flesh
The fruit of mango is
1. False fruit
2. Pome fruit
  p. Drupe fruit
  c. Stone fruit
Inarching is also called as
1. cutting
2. Budding
  q. approach grafting
  c. non of these
Anthracnose of mango is:
r. Fungal disease
1. Viral disease
2. Physiological disorder
3. Non of these
One year old branch of plant is
1. sprigs
2. Mature branch
  s. twigs
  c. Non of these
Guava is grown on large scale in
1. Quatta
2. Multan area
  t. Sheikhupura area
  c. Bahal pur area
All commercial date palm orchards in Pakistan are pollinated by
1. Insects
2. Winds
3. Natural
  u. Manual
Umran No. 9 and 13 are the varieties of
1. Loquat
2. Grapes
3. Banana
4. Ber
Flower bearing in ber occurs during
1. Spring
2. Winter
3. Summer
  1. Autumn
East Malling is a root stock for
1. Apple
2. Loquat
1. Musambi
2. Pine apple
Low chilling verities of apple
1. Tropical Beauty
2. Enna
3. Non of these
4. All of these
Stooling is also called as
1. Sexual propagatiobn
2. Cutting
3. Gooti layering
  e. Mound layering
Good soil management ensures
1. Good supply of organic matter
2. Prevent the soil erosion
3. Preserves moisture
  1. All of the these
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
Full grown apple tree requires
1. No FYM
2. Very low FYM
3. 40-50 Kg FYM
  h. 80-100Kg FYM
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
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
In sweet orange pre-harvest fruit drop is
1. Seldom experienced
2. Never experienced
3. common experienced
  1. Problems of the area
The sweet orange is a
1. Loose skinned
2. Tight skinned
1. Both of them
2. Non of these
Sweet orange belongs to the family
1. Malvaceae
2. Rotaceae
3. Rutaceae
4. Chenopodiaceae
Citrus reticulat Blanco is the botanical name for
1. Sour lime
2. Mandarin
3. Both of a and b
4. None of these
Tap roots of plants are also called as
1. Secondary roots
2. Adventitious roots
  e. Primary roots
  c. Tertiary roots
The parts of stem from which a leaf arises is called
f. Node
1. Internodes
2. Apex
3. Bud
The plants which live for only a single season are called
1. Herbs
2. Perennials
3. Biennials
  1. Annuals
Plants, soft and green, and can be easily bent is known
1. Herbaceous
1. Woody
2. Shrubs
3. Non of these
The bud which develop into the axils of a leaf is
i. Axillary buds
1. Terminal buds
2. Adventitious buds
3. Naked buds
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
A slender trailing stem taking roots at the node is
1. Runner
1. Rhizome
2. Tuber
3. Bulbs
The stamens are the male organs of flower which are also called
1. Pistil
2. Gynoecium
  l. Androecium
  c. Carpel
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
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
Peduncle is a main axis of the
1. leaf
2. Flower
  o. Inflorescence
  c. Bud
An inflorescence in which the pedicels of the flowers arises from the same points as
called
p. Umbel
1. Spike
2. Catkin
3. Uninate
A group of flowers on an axis is called
q. Solitary axillary flower
1. Solitary terminal flower
2. Inflorescence
3. Modified flower
The nutritive tissue around the embryo in seed is
1. Endosmosis
2. Endodermis
  r. Endosperm
  c. Embryo-sac
Bracts situated out side the calyx in certain flowers are called
s. Epicalyx
1. Epibasal
2. Epicarp
3. Epidermis
The germination of seed in which cotyledons come above ground is
t. Epigeal
1. Hypogeal
2. Epigynous
3. Epipetalous
A sexual cell in plants is called
1. Gamete
  1. Gametophyte
  2. Gamopetalous
  3. Gamosepalous
A flower which has all the usual parts sepals, petals, stamens and carpel is called
1. hermaphrodite
  1. Complete
  1. Pistilate
  2. Incomplete
The situation in which a plant grows wild is called
1. Habitat
2. Halophytes
3. Helicoids
4. Haustorium’s
Proteins are most complex organic compounds, containing
1. Carbon
2. Hydrogen
3. oxygen and nitrogen
  e. All of these
Pine apple is a source of
1. Vitamin C
2. Vitamin A
3. Vitamin B
  f. All of these
Papaya is still being commercially propagated from
1. Cutting
2. Suckers
  g. Seeds
  c. Grafting
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:

Honey bees
Bumble bees
House flies

j. Vibration

417: Dwarfing rootstock for apple in heavy soils is:

a. M-7

k. M-9

M-11
Crab apple

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

a. Higher

l. Lower

Equal
Unknown

419: Lemons are usually degreened at:

6°C
16°C
26°C
30°C

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

m. Thiobendazole (TBZ)

Ethylene Dibromide (EDB)
Above both
None of above

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

n. Enna

Amri
Diana
Golden Delicious

422: Dhaki variety of date palm was originated in:

a. Sindh

o. NWFP

Balochistan
Punjab

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

a. Onion

p. Okra

Mustard
Brinjal

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

a.	66%
b.	76%
c.	86%
q.	96%

425: Hodgson divided genus citrus into:

16 species
26 species

r. 36 species

c. More than 36 species

426: In Pakistan, yield of potato range between :

10-15 ton
15-20 ton

s. 20–25 ton

c. 25-30 ton

427: Motia (ornamental) belongs to family:

t. Oleacecae

Moraceae
Rosaceae
Nyctaginaceae

428: Rubber plant (ornamental) belongs to family:

a. Oleacecae

Moraceae
1. Rosaceae
2. Nyctaginaceae
429: Bougainvillea (ornamental) belongs to family:
1. Oleacecae
2. Moraceae
3. Rosaceae
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:

a.	70%
w.	75%
b.	80%
c.	85%

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

Sweet orange
x. Sweet lime
Kaghzi lime
Non of above

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

Sweet orange
Sweet lime

y. Kaghzi lime

c. None of above

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

Near cities
Near rivers
Near canals
All of above

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

a. Garlic

e. Onion

Radish
None

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

a. ABA

f. Seradix

NAA
All above

437: Araucaria was originated from:

g. South Pacific

South Asia
Far East
Middle East

438: Rubber plant can be propagated through:

Aerial layering
Cutting

h. All above

c. None of above

439: Silver Oak produces seeds after age of:

a. 1 year

5 years
10 years

b. 15 years

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

Rose
Murva
Citrus
All of above

441: The first ever auxin discovered was:

e. IAA

c. None of above

442: Mowing of grasses in winter is recommended after:

20-30 days
30-40 days
40-50 days

f. Both ‘b’ and ‘c’

443: Major types of greenhouse are

Even span
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. 10–20 kgb. 20-30 kg

c. Less than 5 kg

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

Murva
Bottle palm
None of above

i. All above

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

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. 60–70%

b. 70-80%

c. 80-90%

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

l. Codling moth

Fruit fly
All above
None of above

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

a. Thiobendazole (TBZ)

m. Ethylene Dibromide (EDB)

Above both
None of above

450: Soil compaction yield of potato.

a. Increases

n. Decreases

Does not effect
Unknown

451: Cost benefit ratio in potato production should range:

a. 1:5

b. 1:10

c. 10:1

Both ‘a’ and ‘b’

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

Tandojam
Mir Pur Khas
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

Perennial
Unknown

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

a. Carrot

s. Onion

Redish
Potato

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

High temperature
Long photoperiod
None of above

All above

457: Green potato tuber is inedible due to:
Carcinogenic
1. Hardness
2. Hollowness
3. None of above
458: CRD is a statistical approach for:
a. Field experiment
Laboratory experiment

a & b
None

459: Soft nose is a disorder of:

Date fruit
Citrus fruit

w. Mango fruit

c. Apple fruit

460: Guava seed before germination requires:

Fungicide treatment
Chemical treatment

x. Commercial grade H2SO4 treatment

c. All of above

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

Water pressure
Dry ness of air
Nutritional defects

All of above
462: Production of vegetable out of their normal season of outdoor production is known as:
Vegetable forcing

Out of season
Crop production
Tissue culture

463: Yellow wasp is a major pest of:

aa. Grape fruit

Peach fruit
Citrus fruit
Mango fruit

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

Nightangale
bb. Parrot
Sparrow
All of above

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

Anatomy
cc. Histology
Taxonomy
Ecology

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

dd. Phylogeny

Histology
Ontogeny
None of these

467: Elevation of temperate region from sea level ranges:
a. 1000-2000 m
b. 2500-3000 m
c. 3500-4000 m
b & c

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

Mesocarp
Syconus
ee. Berry
Drupe

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

Pericarp
Thalmus
ff. Seed
Mesocarp

470: Frond length of cultivated date ranges:

3-5 m
3-4 m
2-3 m
1-2 m

471: The most important characteristics of tropical region are:

Snowfall
Frost
Winds
High temperature

Addition of hastens the time of fruit bud differentiation in fruit plants:
1. Nitrites
2. Nitrides
  e. Nitrates
  c. All of these
More harmones are accumulated in plants due to accumulation of :
1. Nitrate
2. Starch
3. Protein
4. Vitamins
Reproductive phase of fruit plants is improved by the accumulation of :
1. Nitrogen
  e. Starch
  1. Proteins
  2. Cellulose
Pruning in old fruit trees increases fruit bud formation by increasing :
1. Carbohydrates
  f. New vegetative growth
  1. Hormonal contents
  2. Cell sap
At a temperature slightly above optimum, carbohydrates are :
1. Produced
2. Stored
  g. Utilized
  a. Increased
Apical bud becomes in mango at fruit bud differentiation :
1. Flattened
2. Rounded
  h. Dome shaped
  a. Elongated
The phase of fruit bud formation continues until :
i. Anthesis
1. Petal formation
2. Pollination
3. Differentiation
The development of flower bud in tuberose is :
1. Basipetal
2. Exipetal
3. Endopetal
  j. Acropetal
Rate of bud development is upto winter season :
1. Slow
  k. Rapid
  1. Medium
  2. Constant
Dormancy is a function of interaction of growth promoter like GA and growth inhibitor
like :
l. ABA
1. Cycocell
2. Alar
3. Paclobutrazole
Dormancy of seed is a biological mechanisms that provides protection against :
1. Seed spoilage
2. Embryo abortion
  m. Pre mature germination
  c. Dehydration
The major metabolic process which takes place in the harvested produce is :
1. Ripening
  n. Respiration
  1. Softening
  2. Senescence
At fruit bud differentiation in mango, C/N ratio is :
1. Low
2. Medium
  o. High
  c. Very High
Annual bearing apples differentiate much greater proportion of their flowers on
:
1. Spurs
  p. Shoots
  1. Leaf axils
  2. Main stem
Self fertility refers to the ability of a variety to produce fruits with viable :
1. Pollens
  q. Seeds
  1. Ovules
  2. Ovaries
Flowers having stigma below the highest anthers are called :
r. Apistigmatic
1. Hypostigmatic
2. Peristigmatic
3. Exostimgatic
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
Piping is carried out in
1. Chrysanthemum
2. Rose
3. Gladiolus
  t. Carnation
Chlorophyll formation takes place within a light wavelength of :
a. 150-200
b. 200-300
u. 300–675
c. 700-900
Root formation is promoted in softwood cuttings under light intensity of
foot candles:
a. 100-150
v. 150–200
b. 200-250
c. 250-350
Fruiting body of roses is called:
1. Button
  w. Hips
  1. Slip
  2. None of above
Apple and pear form their flowers buds in :
1. May-June
  x. July–August
  1. September-October
  2. November-December
Volatile oil are those oil which can evaporate at :
y. 25°C
1. 40°C
2. 50°C
3. 65°C
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
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
Toxicity of Mg can be modified by adding :
1. N
2. PO4
3. Ca
4. K2O
Injurious effects of sulphates can be replaced with the addition of :
1. Nitrates
2. Phosphates
3. Ammonia
4. Ca & Mg
Internal browning in apples takes place due to :
1. Fungus
  e. High temperature
  1. Hail storm
  2. Bacteria
Onion seeds can germinate at a temperature of :

a. 0-1°C

b. 1-5°C

c. 5-11°C

d. 15-20°C

Dead heading is the removal of
1. Dead branches
  1. Dead roots
  2. Faded flowers
  b. Shriveled leaves
Hygrometer is used to measure
1. Pressure
  h. Humidity
  1. Wind speed
  2. Solar radiation
Pinching out is the removal of
1. Growing point of root
2. Opening flower buds
  i. Growing point of buds
3. Removal of seeds
A thread-like stem or leaf which clings to any support, is known as
1. Climber
  j. Tendril
  1. Sucker
  2. Creeper
A plant which is able to live under very dry conditions is called
k. Xerophyte
1. Hallophyte
2. Mesophyte
3. None of above
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
Small, hair like outgrowth at the base of leaf stalk is termed as:
1. Bud
2. Bract
  m. Stipule
  c. Ligule
Pruning in narrow leave evergreens should be done during:
1. Early fall
2. Winter
3. Summer
  1. Early spring
Which of the following plants require severe pruning?
1. Lagerstromea purporea
1. Nerium odorum
2. Jasminum sambac
3. Thuja orientalis
Which of the following climbers is important for its hardiness and flowers throughout
year?
1. Vitis vinifera
  p. Bongainvillea glabra
  1. Tecoma grandiflora
  2. Quisqalis indica
Which of the following shrubs bears yellow flowers?
1. Jasminum sambac
2. Tabernamontana divertica
  q. Thevetia nerifolia
  c. Hibiscus Rosa sinensis
Which of the following grounds cover is highly salt tolerant?
1. Vinca rosea
  r. Bermuda grass
  1. Musembreanthemum
  2. Alternanthra
Which of the following shrubs is used as fruit beauty?
1. Cassia glauca
2. Nerium odorum
  s. Citrus mitis
  c. Hibiscus rosa sinensis
Which of following trees has stem beauty?
1. Eucalyptus
2. Sterculia
3. Royal palm
  1. All of above
English Ivy (Hedera helix) is
1. Evergreen ground cover
  1. Evergreen shrub
  2. Diciduous shrub
  3. deciduous ground cover
Jaccaranda mimosifolia has
1. Red flowers
2. Yellow flowers
3. White flowers
  1. Purple flowers
Which of the following is an evergreen shrub?
1. Lagerstromia indica
  w. Pittosporum tobira
  1. Caesalpenia pulchrema
  2. None of the above
Lawn grasses can be established by:
1. Seeding
2. Sodding
3. Plugging
  x. All of the above
Tifdwarf is a:
1. Weed
2. Shrub
  y. Turfgrass
  c. None of these
Gladiolus is propagated through:
1. Bulbs
  z. Corms
  1. Tubers
  2. Rhizomes
Rose budded at 3 ½ feet height is called
1. Miniature rose
2. Standard rose
3. Half standard rose
4. Climbing rose
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
Ficus pimula is a
1. Shrub
2. Tree
  f. Creeper
  a. Annual
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
Which of the following shrubs has white fragrant flowers?
1. Tabernaemontana divertica
  h. Gardenia florida
  1. Thevitia nerifolia
  2. Lantana comara
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
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
Which of the following trees change foliage colour during winter?
1. Albizzia lebbek
2. Delonix regia
  k. Sapium sebeferum
  c. Thuja orientalis
Which of the following plants is known as dessert saroo?
1. Populus nigra
2. Bahinia varigata
3. Sapium seveferum
  l. Casuarina equistifolia
Which of the following climber belongs to family oleaceae?
1. Tecoma grandiflora
2. Lonicera japonica
3. Bougainvillea glabra
  m. Jasminum grandiflora
Tecoma stans is a
n. Shrub
1. Tree
2. Creeper
3. None of above
Light intensity is expressed as:
o. Foot–candles
1. Micrometers
2. Candlelights
3. All of the above
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.
Japanese style of floral arrangement is known as:
1. Ikenobo
2. Yen
  q. Ikebana
  c. Ying
Dacca is a selected variety of:
1. Herb
2. Shrub
  r. Turfgrass
  c. None of these
Growing medium kept too wet will deprive the plant:
1. Soluble salts
2. Water
  s. Oxygen
  c. Fertilizer
The interrelationship of size with floral arrangement to its surroundings is:
1. Harmony
2. Rhythm
  t. Scale
  c. Balance
A climbing plant with woody stem is called
1. Vine
  1. Liana
  2. Hedge
  3. All of the above
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
A common example of incomplete flower is:
1. Apetalous flower
2. Staminate flower
3. Pistillate flower
  w. All of the above
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
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
Which of the following is a shade-loving flower?
1. Marigold
2. Snapdragon
3. Chrysanthemum
  z. Impatiens
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.
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
All of the following are bulbous and tuberous-rooted plants except:
1. Dahlias
2. Dutch iris
3. Caladiums
4. Snapdragons
involves incorporating water soluble fertilizer into the irrigation
systems of greenhouse and nursery crops.
1. Broadcasting
2. Fertilization
  e. Fertigation
  c. Perforation
Which of the tree bears red colour flowers?
f. Erythrena subrosa
1. Albizia lebbek
2. Sapium sebiferum
3. Thuja orientalus
Which of the plant is evergreen?
1. Papulus nigra
2. Bohinia verigata
3. Euclyptus rostrata
g. None of the above
Lack of early spring flowering from tulip bulbs planted outdoors is due to:
1. Bright sunlight

h. Lack of winter cooling

Excessive moisture
Magnesium and calcium deficiencies

551.	A leaf with	parallel venation:
	a.	Has leaflets
	a.	Is a monocot
	b.	Has crossing veins
	c.	Is a compound leaf

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
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
Which of the following is not among the major principles of design?
1. Balance
2. Scale
3. Emphasis
  k. Price
The showy red, pink, or white portion of the poinsettia are:
1. Flowers
  l. Bracts
  1. Petals
  2. Sepals
A technique to produce well branched, compact plants with many flowers is:
1. Stunting
2. Compacting
  m. Pinching
  c. Potting
Which of the following is a member of the Dianthus family?
1. Chrysanthemum
2. Phlox
3. Sedum
  n. Carnation
Which of the shrub bears red colour flowers
1. Atriplex halimus
2. Tecoma stans
  o. Jatropha metrifeda
  c. Jasminum sambac
The acceleration of flowering by manipulating environmental conditions is known as:
1. Pulsing
  p. Forcing
  1. Leaching
  2. After-ripening
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:

Is inexpensive

r. Has good air and water holding capacities

Has a high pH
Absorbs excessive soluble salts

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
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
A plant hardy in tropical zone will also be hardy in zone:
1. Temperate
  1. Subtropical
    1. Arid
    2. Semi-arid
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
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
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
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:

Transition
Texture
Harmony
Proportion

570.	For	optimum vase life, most cut flowers should be stored at temperatures close to:
	e.	40 ºF
	a.	45 ºF
	b.	30 ºF
	c.	50 ºF

571. Which of the following statements is true.

Perennials are used for one season.

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

Perennials are not easy to grow and establish in beds.
Perennials are only for foliage beauty.

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

g. Vinca

Gaillardia
Cimicifuga
Coreopsis

573 Which of the following perennials has more varieties?

h. Geranium

Helenium
Verbena
Ghazania

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

Verbena

Dianthus
Calendula
Alyssum

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
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?

Annual can survive in the sever winter without protection.

l. Annuals usually bloom only once each season.

Annuals are only planted in spring.
Annuals are only used for foliage beauty.

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.
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.

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.
Which of the following annuals is planted as vine?
1. Salvia
  p. Ipomea
  1. Verbena
  2. Marigold
Which of the following annuals is used as ground cover?
q. Musemberanthemum
1. Stock
2. Viola
3. Calendula
Which of the following annuals is used as rock garden?
1. Cosmos
2. Clarkia
3. Dianthus
  1. Morning glory
Which of the following annuals is used as foliage beauty?

Kochia

Phlox
Partulaca
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 .

Quill

Spathe
1. Spike
2. Petal
1. Broad-leave evergreens such as Ficus bengalensis and Alstonia schularis should be
  fertilized in:
Early spring

Late fall
Late summer
Early summer

A major problem in standard carnation production resulting in asymmetrical flowers
is:
1. Improper fertilization
2. High-density spacing
3. Calyx splitting
4. Lack of pinching
is generally added to water when processing flowers in a retail floral shop.
1. Herbicide
2. Insecticide
  w. Biocide
  c. Algicide
The genus and species name for the ponytail palm is:
x. Beaucarnea recurvata
1. Moluccella laevis
2. Brassaia actinophylla
3. Cordyline terminalis
Training plants into three-dimensional ornamental forms, such as animals, is called:
y. Topiary
1. Espalier
2. Heading back
3. Bonsai
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
Plants that have been clipped or pruned into two-dimensional forms are:
1. Espalier
2. Topiary
3. Balanced
4. Dynamic
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
The main commercial method for propagating African violets is by:
1. Seeds
2. Crowns
3. Tubers
  1. Leaf petioles
Damping-off is caused by:
1. Fungi
1. Bacteria
2. Nematodes
3. Virus
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
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
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
Which of the following turf areas is mowed to the lowest height?
1. Commercial lawn
2. Golf fairway
3. Home lawn
  k. Golf green
In plants, is the process of converting stored energy into energy for plant
growth.
1. Transpiration
2. Photosynthesis
  l. Respiration
  c. Pollination
A landscape designer uses many in developing the preliminary design for a
project.
1. Perfect plans
  m. Bubble diagrams
  1. Site surveys
  2. Problem statements
An example of an organic material is .
1. Pea gravel
2. Perlite
  n. Leaf mold
  c. Vermiculite
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
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
  cuttings
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
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
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
A shade loving border plant is:
1. Marigold
  s. Impatiens
  1. Zinnia
  2. Chrysanthemum
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
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
    left.
    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.
Lowering the soil grade around a tree removes many of the tree’s roots.
1. Tap
2. Aerial
  1. Feeder
  c. Aquatic
Water availability, temperature extremes, and should be considered when
selecting trees for the landscape.
1. Slope
2. Topography
  w. Soil type
  c. Buildings present
Lawn sprinkler systems are installed so as to provide even coverage. It is accomplished
by:
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
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
A is a woody perennial that has more than one main trunk.
1. Tree
2. Flower
  z. Shrub
  c. Weed
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
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
Which of the following is a deciduous vine?
f. Tecoma grandiflora
1. Rosa marshenelle
2. English ivy
3. Rosemary
Failure of a bulb to produce a marketable flower following floral initiation is:
1. Disbudding
  g. Flower blasting
  1. Damping off
  2. Dieback
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
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
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
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
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
A flower is a type of flower often used as a focal point.
1. Mass
2. Line
  m. Form
  c. Spike-type
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
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
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
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
Which of the following describes plants that lose their leaves during the winter?
1. Evergreen
  r. Deciduous
  1. Coniferous
  2. Herbaceous
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
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
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
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
The turfgrass least tolerant of shade is:
1. Zoysia grass
2. Fescue grass
3. St. Augustine grass
  w. Bermudagrass
Which of the following is not an important environmental requirement for germination
to occur?
1. Proper temperature
2. Oxygen
  x. Carbon dioxide
  c. Moisture
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
The most common synthetic root-promoting chemicals are:
1. IBA and AAN
2. CCA and ACD
3. ISO and OSB
z. IBA and NAA
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
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
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
A method of fertilizer application is .
1. Sterilization
2. Pasteurizing
  h. Side dressing
  c. Leaching
Brown patch, dollar spot, and gray snow mold are all diseases of:
1. Azaleas
  i. Turfgrasses
2. Trees
3. Evergreens
Which plant is a vine?
1. Ficus benjamina
2. Pinus thunbergiana
3. Ilex cornuta
  j. Lonicera japonica
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
Food produced in the leaves moves to other parts of a plant through:
l. Phloem tissues
1. Xylem tissues
2. Vein system
3. Arteries
When installing a landscape, which step (from the following list) should be completed
last?
m. Plant the trees and shrubs
1. Add amendments to the soil
2. Install the drainage system
3. Build retaining walls and garden walkways
Examples of cool season grasses include perennial ryegrass, bentgrass, and:
1. Bermudagrass
  n. Fescue
  1. St. Augustine
  2. Zoysia
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
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
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
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
Most landscape plants like the soil pH:
r. Slightly acidic
1. Strongly acidic
2. Slightly alkaline
3. Strongly alkaline
When installing a landscape, which step (from the following list) should be completed
first:
1. Plant the trees and shrubs
2. Add amendments to the soil
  s. Install the drainage system
  c. Build retaining walls and garden walkways
Wisteria, clematis, and Japanese honeysuckle are examples of:
1. Trees
  t. Vines
  1. Shrubs
  2. Groundcovers
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
Maximum interior plant deaths result from
1. Incorrect PH
2. Too much light
  1. Too much fertilizer
  2. Over watering
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
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

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

Staking
All of the above
None of the above

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
Limbs are pruned from trees with a technique called
1. Thinning out
2. Heading back
  h. Jump cutting
  c. Pinching
Claw like appendages occurring in pairs at the base of the leaf blade of turfgrasses is:
1. Awn
2. Bract
3. Stipule
  i. Auricle
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
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
Pollination and fertilization within closed florets is:
1. Polygamy
  e. Cleistogamy
  1. Allogamy
  2. Autogamy
Stem of a grass plant is
1. Stalk
2. Cane
  f. Culm
  a. None of the above
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
is the axis of a spike or raceme
1. Panicle
2. Peduncle
  h. Rachis
  a. Thalamus
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
Kentucky blue grass is a
1. Cool season grass
1. Warm season grass
2. A and B both
3. None of the above
Bahia grass is a
1. Cool season grass
  k. Warm season grass
  1. A and B both
  2. None of the above
Best planting time of turf grasses is
1. May-June
2. July-Aug
3. Sep-Oct
4. Nov-Dec
Rose is a
1. Short day plant
2. Long day plant

e. Day–neutral plant

a. None of the above

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

Proportion
Balance
Focal point

f. All of the above

Elements of landscape design are:
1. Balance & Emphasis
2. Rhythm & Harmony
3. All of the above
  g. None of The above
Principles of landscape design are:
1. Colour & Form
2. Texture & Colour
3. All of the above
4. None of these
Art of shaping plants into geometric shapes is known as:
1. Ehabana
2. Bonseia
3. Topiary
4. Pot pourri
First mowing of a newly established lawn is preferably done by:
1. Sickle
2. Mower
3. Scissor
4. None of these
is a common example of monsoon annual grown in Pakistan :
1. Dallia
2. Zinnia
  e. Cock’s comb
  c. Pansy
Morning glory is:
f. Annual
1. Perenial
2. Tree
3. Shrub
Candytuft is botanically called:
1. Helipterum roseum
  g. Iberis amara
  1. Bellis perenne
  2. Tropaeolum inajus
Chrysanthemum is a:

h. Short day plant

Long day plant
Day-nentral plant
None of these

684 is a best annual flower used for drying:

Gaillardia
Nasturtium
i. Helichryrum
Balsam

685	Iris	is a member of family:
	a.	Violaceae
	b.	Liliaceae
	j.	Iridaceae
	c.	Compositae

686- Hybrid tea roses are developed by crossing:

k. Hybrid perpetual & Tea rose

Floribunda & Tea rose
Tea rose & Polyontha rose
Tea rose & Grandiflora rose

687- Roses which flower only once during summer are:

Floribunda roses
Climbing roses

l. Ramblers

c. Miniature roses

688 Iceberg bears flowers:

Yellow
Red
Pink

m. White

Kardinal belongs to:
1. Floribunda
2. Miniature
  n. Hybrid tea
  c. Grandiflora
The emission of water vapor from the surface of plant leaves is called:
1. Fixation
2. Photosynthesis
3. Nitrification

o. Transpiration

Eranthemum is a:
1. Tree
  p. Shrub
  1. Creeper
  2. Annual
A common example of fragrant shrub is:
1. Chandni
2. Jatropha
3. Kaner

q. Murva

Nerium odorum bears flowers of:
1. White colour
2. Pink colour
3. Red colour
  r. All of above
Optimum day time temperature range for best growth of house plants is:
a. 6-12
b. 12-18
s. 18–24
c. 24-30
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
Croton is a:
1. Tree
2. Shrub
  1. House plant
    c. Annual
Araucaria is a plant:
1. Tropical
2. Sub-tropical

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:

Crown
Cristate

w. Crock

c. Bulbil

Crocus is propagated through:
1. Bulbs
  x. Corms
  1. Rhizomes
  2. Seeds
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

Gloclind
None of these

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
Milky sap which exudes from cut surfaces of a few house plants is:
1. Honey dew
  e. Latex
  1. Glochid
  2. Heel
A plant growth in a pot which is too small to allow proper plant growth is known as:
f. Pot–bound
1. Potting on
2. Over- potting
3. Knocking out
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
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:

Corolla
Cross
Crock

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

Flaked
Floret
Filament

is the tip of the bulb:
1. Node
2. Month
  k. Nose
  c. Hirsute
The stalk of an inflorescence is known as:
1. Pedicel
  l. Peduncle
  1. Perianth
  2. Petiole
A whorl of leaves arising at the base of plants is:
1. Scales
2. Reflexed
  m. Rosette
  c. None of these.
A fleshy spike in which small flowers are embedded, is:
1. Spathe
  n. Spadix
  1. Spike
  2. Pedunel
is a common shrub which is used as hedge in Pakistan:
o. Duranta
1. Motia
2. Chandna
3. All of the above
A flower- head or tightly packed inflorescence, is
1. Trumpet
2. Tepal
  p. Truss
  c. Tunic
A dry and often papery covering of corms & some bulbs, is known as:
1. Trumpet
2. Plunging
3. Fall

q. Tunic

716.	An	instrument that measures the electrical conductivity of a soil solution is called a:
	a.	Manometer
	b.	Tensiometer
	c.	Photometer
	r.	Solubridge

717. Rose is severely pruned during:

Spring ( Feb- Mar )
Autumn ( Sep- Oct )

s. Winter ( Dec– Jan )

c. Summer ( May- June )

Rose hips are rich source of:
1. Vitamin A
2. Vitamin B
  t. Vitamin C
  c. All of the above
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
Which of the following are not annual plants?
1. Asparagus
1. Petunia
2. Margold
3. Geranium
Which of the following annuals are best used for edging
1. Poppy
2. Stock
  w. Sweet alyssum
  c. Sun flower
Which of the following are good choices as specimen plants in a landscape:
1. Magnolia
2. Alstonia
  x. Gold mohr
  c. Bougainvillea
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
The name of the person who developed the binomial system for naming plants is
z. Linneus
1. Socrates
2. Plato
3. Hortus
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
Flowers which are grown from bulbs include
1. Zinnia
2. Tulip
3. Marigolds
4. All of the above
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
Mulching can reduce water loss by:
a. 50%
f. 90%
b. 35%
c. 25%
can be effectively used as windbreak:
g. Moulsary
1. Ulta Ashok
2. Bottle brush
3. All of the above
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
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
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
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
The common name for diffenbachia is
1. Umbrella tree
2. Bougainvillea
3. Snake plant
  l. Dumb cane
The genus name for croton
1. Sanservieria
2. Ficus
  m. Codiaeium
  c. Araucaria
When indoor plants are over watered:
1. They drop their leaves
2. They die
  n. Their leaves turn yellow
  c. All of the above
The night temperature of indoor plants should be ºF cooler than day time
temperature
a.
5-10
b.
3-4
c.
20-30
o.
10-15
Charcoal is used in a terrarium for its
1. Color
2. Drainage material
3. Drainage ability
  p. None of the above
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
Plants tend to grow towards light sources. It is known as
1. Photosynthesis
2. The rain cycle
3. Transpiration
  r. Phototropism
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
The larger, center most of the plants used in bonsai is cut off:
1. To dwarf the plant

t. To cause root branching

To make root system shallow
To simplify root pruning job

Site of attraction that holds attention of viewer in a landscape is called;
1. Balance
2. Proportion
  1. Focal point
    c. Rythum
Most famous fragrant plant in summer is;
1. Jasminum sambac
1. Althcea rosea
2. Tabernamontana divertica
3. All of the above
Lilium longiflorum, an important holiday potted plant, is commonly known as:
1. Kalanchoe
2. Poinsettia
  w. Easter Lily
  c. Hydrangea
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

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
An open frame work, designed to offer shady resting place is called;
1. Cold frame
  z. Arbor
  1. Pergola
  2. Deck
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
In landscape shape of tree is called
1. Shape
  e. Form
  1. Structure
  2. Texture
Water gardening is also called,

f. Equascape

Hardscape
Nightscape
Alpine gardening

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
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
Which of the plant is used for is foliage beauty?
h. Kochia
1. Phlox
2. Partulaca
3. Antirrhinum
Which annual flower is used ground cover?
1. Viola
2. Stock
3. Calendula
  i. Musemberanthemum
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.
An example of a specialty cut flower used in a floral arrangement is a(n):
1. Rose
2. Carnation
  j. Orchid
  c. Pompom Chrysanthemum
Which of the following plant require very light pruning?
k. Nerium Odorum
1. Rhododendron
2. Lawsonia alba
3. Punica grantum
Which tree bears fragrant flowers?
1. Albezia lebbeck
2. Pinus roxburghii
3. Papulus elegni
  l. None of the above
Which following creeper bears white flowers?
1. Ipomea
  m. Plumbago
  1. Clerodendron
  2. Tecoma
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
Low-lying plant that covers some area in the landscape is called;
1. Shrub
  o. Ground cover
  1. Bedding plant
  2. Perennial
Plants which shed there leaves in autumn are called;
1. Evergreen
2. Annuals
  p. Deciduous
  c. Biennials
is a common disease found on roses grown for cut flowers.
1. Stem rot
2. Rust
3. Root rot

Botrytis
1. Plants for the marginal areas of pond are called
Bog plants

Emergent
Aquatic plants
floaters

Type of contained water feature is
1. Fountain
2. Water fall
  s. Pond
  c. None of the above
is used for daily movement in the landscape
t. Functional path
1. Temporary path
2. Occasional path
3. Decorative path
when all the parts of the design suggest a single impression it is called
1. Harmony
2. Transition
3. Balance
  1. Unity
In Punjab pruning of roses is managed during
1. Summer
  1. Winter
  1. Spring
  2. Year around
Which of the following roses bear clustered flowers?
1. Hybrid tea
2. Floribunda
3. Miniature

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
Lack of light
1. Cuttings of potted chrysanthemums are planted at an angle to encourage:
Increased branching

Larger blooms
A more rounded plant
Earlier flowering

The common name for Zebrina pendula is:
1. African Lily
2. Boston ivy
  z. Wandering Jew
  c. Grape ivy
Which of the following flower types is not suitable for pressing?
1. Daffodil
2. Dusty miller
3. Pansy
4. African violet
The most important environmental factor regulating flower initiation in bulbous species
is:
1. Light
  e. Temperature
  1. Moisture
  2. Ventilation
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
Successful Plant Propagation involves the:
1. Knowledge of technical skills
2. Knowledge of plant biology
3. Knowledge of plant
  1. All of these
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
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
Colchicine is chemically:
1. Volatile oil
2. Tannins
3. Protein
  j. Alkaloid
Quinine alkaloids are present in
1. Nux vomica
2. Cocoa leaves
3. Belladona roots
  k. Cinchona bark
This mineral is exposed to high heat and expanded. It is often used as a propagation
media.
1. Perlite
  l. Vermiculite
  1. Peat Moss
  2. Sand
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
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
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.
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.
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
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
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
When sticking a hard wood cutting, how many nodes should be under the rooting
medium?
t. At least 1
1. 1 to 3
2. 2 to 4
3. 3 to 5
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.
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.
How many seconds should a cutting be held in a liquid IBA rooting hormone?
1. 2
  1. 5
  1. 10
  2. 12
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:

To eliminate air pockets.
To make sure the base of the cutting makes good contact with the rooting media.
Neither A nor B

x. Both A and B

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.
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.
What is the final step of preparing cuttings?
1. Preparing the rooting media.
2. Selecting quality cutting stock.
3. The application of rooting hormone.

a.	4.5-8.5
b.	5.5-8.0
c.	5.0-8.0
j.	5.5-8.5

a.	5-10
b.	3-4
c.	20-30
o.	10-15

INSTITUTE OF HORTICULTURAL SCIENCESMULTIPLE CHOICE QUESTIONS FOR ENTRY TEST

Tuber

Succulents

Annual

e. Lower Sindh

f. Tegmen

Operculum

All of these

Perisperm

i. All of above

Endogenous

Temperature

a & b

e. All of above

Physiological maturity

All of above

a & c

a & b

None of above

Thermodormant

Decrease in TSS increase in dry matter

All of above

Both a & b

Summer

All of above

Organic mulch

Staminate

Gynoecious

Long day short night plant

Highly cross pollinated

Annual

Dioecious

All of above

Insects

Sterility

Parthenogenesis

Colchiploids

Rouging

Temperature

All of above

Plantation at a distance

Honey bees

All of above

Nutritional factor

All of above

Tendrils wither

Manual method

Less than 10%

Onion

5

Cytokinins

Diploid

Potato

Papaya

Self pollinated

Rhizome

a & b

Inbreeding

Cauliflower

Sugar baby

Tomato

Spinach

Cholesterol

Day length

Sandy soils

Berry

Hypocotyl

Staminate

Wind

All of above

Avoidance

Solanaceous crops

Lycopene

Gourds

None of these

Grape plantation

Grape cultivation

Home consumption

Distant places

Cool

INSTITUTE OF HORTICULTURAL SCIENCES
MULTIPLE CHOICE QUESTIONS FOR ENTRY TEST