Agri-MCQs # 15: General Agronomy ( For AO tests)
Last updated on March 18th, 2021 at 09:13 pm
1. The total geographical area of Pakistan is
* a. 79.64 million ha. b. 60.50 million ha.
c. 200.5 million ha. d. 150.0 million ha.
2. The cropped area in Pakistan is about
a. 5% b. 10%
* c. 25% d. 50%
3. Our national food security is an issue of
*a. Top priority b. 2nd priority
c. 3nd priority d. No priority
4. In Pakistan the share of Agriculture in GDP is
a. 10% *b. 21%
c. 40% d. 50%
5. Shallow rooted plants require irrigation
a. Frequent b. Heavy irrigation
c. Light irrigation *d. Both a&b
6. The concentration of atmospheric CO2 is increasing @
*a. 1.5 µ mol mol-1 yr-1 b. 0.5 µ mol mol-1 yr-1
c. 2.5 µ mol mol-1 yr-1 d. 3.5 µ mol mol-1 yr-1
7. Increasing atmospheric O2 concentrations are expected to __plant production
* a. Increase b. Decrease
c. No effect d. None of the above
8. Water makes up of the fresh weight of green tissues.
a. 40-50% b. 55-60%
c. 65-70% *d. 85-95%
9. Seed priming is due to improve
a. Seed maturity b. Seed setting
*c. Seed germination d. Seed vigour
10. Less than ___% of the water absorbed by a plant is used in plant growth
a. 5% b. 7%
c. 1% d. 10%
11. pH of saline soils is usually _.
a. less than 10 b. more than 8.5
c. more than 10 *d. less than 8.5
12. If salinity is upto _ EC mmhos/cm its effects mostly negligible.
a. 8 *b. 2
c. 16 d. 18
13. Water use efficiency can be improved by
a. Adapted cultivars b. Appropriate fertility level
c. Effective weed control *d. All of the above
14. Most salt tolerant fodder is.
a. berseem b. oats
c. lucerne *d. senji
15. EC for alkali soils is less than _mmhos/cm.
*a. 4 b. 6
c. 8 d. 10
16. Among the following the most salt tolerant crop is
a. maize *b. barley
c, beans d. cotton
17. In Pakistan total annual water flows in Indus Rivers System is
a. 100 MAF *b. 140 MAF
c. 160 MAF d. 180 MAF
17. In Pakistan the contribution of barani area in total wheat production is
a. 5% b. 8%
*c. 12% d. 20%
18. Saline sodic/sodic soils can be reclaimed by using.
a. MgSO4.2H2O *b. CaSO4.2H2O
c. BaSO4.2H2O d. K2SO4.2H2O
19. Soil salinity can cause “TIRAK” in __crop.
*a. cotton b. rice
c. sugarcane d. maize
20. Cereals grown on saline cultures show __ colour in the leaves when plant. approach maturity.
a. blacking b. yellowish
*c. reddish d. greenish
21. Wheat is ___ in mature
a. Xerophytic b. Hydrophytic
*c. Mesophuzte d. None of the above
22. G MOS stand for
*a. Genetically modified organisms
b. Genetically modified organs
c. Generally modified organisms
d. None of the above
23. Which one is not the method for eradication of water logging?
a. lining of canals b. planting trees
c. drainage *d. use of press mud
24. One cusec is equal to __ gallons.
a. 12.24 *b. 6.24
c. 10.24 d. 8.24
25. Tillage operation such as ___can be done on contours
*a. Ploughing b. Discing
c. Harrowing d. All above
26. Which one is not the cause of water logging.
a. rainfall b. flooding by rivers
c. defecting system of canals
*d. sowing time
27. In Pakistan water availability per person per annum is
a. 5300 m3 *b. 1000 m3
c. 600 m3 d. 1700 m3
28. Which one is not the local name of white alkali soils?
a. kallar b. thur
c. shor *d. crust
29. Loose smut is common disease of
a. Sugarcane b. Cotton
*c. Wheat d. Sorghum
30. The strips laid along the contour at right angles to the natural direction of the slope is called .
a. wind strip cropping b. buffer strip cropping
c. field strip cropping *d. contour strip cropping
31. In soils ___acts as commenting agent.
a. organic matter and nitrogen
b. organic matter and phosphorus
*c. organic matter and Ca
d. organic matter and S
32. The effective precipitation must penetrate to depth of ________ in soil
a. 1-5 cm b. 5-7 cm
c. 8-9 cm *d. 10-12 cm
33. Low infiltration in fine textured soils results in .
*a. water erosion b. wind erosion
c. both a & b d. glacier erosion
34. Final condition of soil after tillage have been performed is called
a. primary tillage b zero tillage
c. minimum tillage *d. tilth
35. For secondary tillage implements ______ is used
a. Sub soiler b. Mould bold plough
c. Disc plough *d. Cultivator
36. The process of removing excess soluble salts or excess exchangeable sodium from soils is called
a. fertilization b. scarification
*c. reclaimation d. starification
37. Which one is not a practice of water conservation?
a. mulching *b. fallowing
c. contouring d. terracing
38. In Pakistan the area under forest is __________
*a. 2.5% b. 5%
c. 7% d. 25%
39. ____ = % sand + % silt+ % clay
*a. index of erodibility b. index of texture
c. index of fertility d. index of productivity
40. In Pakistan monsoon rainy sesason begins in ______
a.Early May b. Mid June
*c. Mid July d. Late December
41. Which one is form of wind erosion?
a. extrusion b. abrasion
c. suspension *d. both a & b
42. The future food security depends on _____
*a.Sustainable agriculture
b. Organic farming
c. Genetic engineering
d. Diversified farming
43. Humid areas receives rainfall more than _________
*a. 1000 mm b. 500 mm
c. 300 mm d. 200 mm
44. Soil texture refers to:
a. arrangement of soil particles
*b. relative proportion of soil particles
c. organic contents of soil
d. none of them
45. Legume plants fix atmospheric _____________
*a. Nitrogen
b. Phosphorus
c. Potash
d. Sulpher
46. The objective of tillage is to:
a. breaking of hard pan b. controlling weeds
c. separate diseased seeds *d. both b & c
47. The movement of water from roots to leaves of plants takes place through _________
a. Phloem
* b. Xylem
c. Stomata
d. None of the above
48. Meteorology is the science of ____________
* a. Atmosphere
b. Crop production
c. Soil management
d. Water management
49. Which one is not a type of water erosion?
a. sheet erosion b. gully erosion
c. rill erosion *d. run off
50. Which one is example of natural mulch?
*a. cultivation b. crop residues
c. organic manure d. both a & b
51. In rice growing tract the common crop rotation
a. Rice-sugarcane
b. Rice-cotton
* c. Rice-wheat
d. Rice-maize
52. The soils containing more clay particles are _________ to water erosion
a. more susceptible *b. less susceptible
c. none of them d. both a & b
53. The underground water table is declining @ _______
* a. 20 cm per year.
b. 30 cm per year.
c. 40 cm per year.
d. 50 cm per year.
54. ________ is mechanical manipulation of soil to provide soil condition suitable for crop growth..
a. tilth *b. tillage
c. mulching d. both a & b
55. Tillering is a critical stage in ________
a. Cotton
b. Berseem
*c. Wheat
d. Maize
56. There are _____ link canals in Pakistan.
a. 7 b. 8
*c. 9 d. 10
57. Soils irrigated by tubewell water only faces the deficiency of ____________
a. Phosphorus
b. Nitrogen
* c. Potash
d. Sodium
58. The most available soil water to crops is ________
a. Hydroscopic water
b. Gravitational water
*c. Capillary water
d. All above
59. Downwards movement of water within soil is called _______.
a. seepage b. infiltration
*c. percolation d. absorption
60. In Indus river main source of water is ____________
a. ppt
* b. Ice melt
c. Rainfall
d. All of these
61. Mulching is done to control ________
a. Weeds
b. Evaporation of water
c. Soil erosion
*d. All above
62. Which one is not a practice of controlling water erosion?
a. terracing b. contouring
c. leveling *d. wind breaks
63. Pakistan earns about ________ of the foreign exchange. Through export of cotton, rice and other agriculture products.
a. 20%
b. 30%
c. 50%
* d. 80%
64. The surface area of _______ soils particles is high.
*a. fine b. coarse
c. medium d. both a & b
65. Exchangeable sodium percentage for saline soils is _____________.
a. equal to 15 *b. less than 15
c. less than 18 d. more than 15
66. Under field condition the conversion process of solar energy into chemical is ___________
*a. 1-2%
b. 3-4%
c. 4-5%
d. 5-6%
67. Most salt tolerant grass is _________.
a. para grass b.. giant star grass
*c. kallar grass d. dab grass
68. Soluble salts are less than 0.2% in _____________.
a. saline soil b. saline sodic soil
c. sodic soil d. water logged soil
69. CO3 and HCO3 are absent in soils.
*a. saline b. saline sodic
c.sodic d. water logged
70. _________ is known as king of fodders
a. Alfalfa
* b. Berseem
c. Jantar
d. Sorghum
71. The main rabi season crop of Pakistan is __________
a. Grain
b. Miaze
* c. Wheat
d. Barley
72. The top soil layer of _______ cm is considered the principle feeding zone of most of agricultural crops.
*a. 12.5 to 22.5 b. 25.5 to 35.5
c. 40.5 to 50.5 d. 50.5 to 60.5
73. The average temperature for maximum plant growth is
a. 20-30 Co
b. 25-35 Co
* c. 28-30 Co
d. 25-30 Co
74. Oilseed crops requiring less water can tolerate ______ level of salinity
a. Lower *b Higher
c. Medium d. Both a and c
75. Soil degradation may be ______
a. Physical b Chemical
c. Biological *d. All a, b & c
76. The soils having organic matter more than 50% are called _____.
a. muck soils *b. peat soil
c. colluvial soils d. glacial soils
77. Conveyance losses account for _________ of water delivered into a canal
*a. 40-50% b 20-25%
c. 20-50% d. 15-40%
78. Which one is used to raise pH and correct acidity of the soil?
a. magnesia b. lye
c. ammonia *d. lime
79. Contribution of CH4 towards global warming is
a. 10% *b 20%
c. 25% d. 30%
80. Barani area counts for ______% of total area in Punjab.
a. 10% *b. 20%
c. 30% d. 40%
81. Increase in atmospheric CO2 can increase
a. Photosynthesis b WUE
c. Respiration *d. All a, b & c
82. The soil particle with ________ mm diameter move by suspension.
a. > 0.005 *b. <0.05
c. < 0.5 d. < 5
83. Radiation responsible for global warming is
*a. Infrared b. Ultraviolet
c. Gamma d. d. None of these
84. Which one is not a type of soil movement by wind?
a. suspension *b. splash
c. saltation d. surface creep
85. Kinds of soil pollution are
a. Fertilizers B Industrial effluents
c. Pesticides *d. All a, b & c
86. The particles larger than 1 mm diameter __________.
a. move by suspension b. surface creep
c. saltation *d. do not move by wind
87. Herbicides residues in the soil can be minimized by application of
a. FYM B Irrigation
c. Activated C *d. All a, b & c
88. The particles with 0.05 to 0.5 mm in diameter move by _______.
a. suspension b. surface creep
*c. saltation d. none of them
89. N fertilizer pollution can be avoided by
a. Balanced application B Split application
c. Nitrification inhibitor *d. All a, b & c
90. Application of agronomic principles to the solution of soil and water management is called _______.
a. soil and water conservation *b. conservation Agronomy
c. agronomic conservation d. none of them
91. Use of ________ seed is not allowed in organic farming
a. Chemically treated B Genetically engineered
c. Transgenic *d. None of these
92. Organic contents of soil can be increased by growing _______.
a. clean tilled crops b. close growing crops
*c. leguminous crop d. no crop
93. Primary air pollutant is _________
*a. N2O b NH3
c. Ozone d. None of these
94. Clean tilled crops _________ erosion.
a. protect b. retard
*c. encourage d. do not affect
95. Non-persistent pollutants is ___________
a. Plastic b Pesticide
*c. Agricultural waste d. None of these
96. The velocity necessary to start the first particle moving is called ______.
*a. fluid threshold velocity b. impact threshold velocity
c. economic threshold velocity d. none of them
97. Stress can be induced by various factors including diseases, cold or pesticides and
a. Rain
b. Wind
* c. Drought
d. None of above
98. The MIRS technique is currently used for identifying ideal combination of natural products to combat disease and
a. Pest
* b. Stress
c. Drought
d. None of the above
99. Import bill of Pakistan for edible oil is about
* a. 786 million US $
b. 78 million US $
c. 7.8 million US $
d. 1786 million US $
100. If there is one way variation _______ design is applied
a. CRD
* b. RCBD
c. LSD
d. None
101. Rosette type of flower is formed due to attack of
a. White fly
* b. Pink bollworm
c. Spotted bollworm
d. Aphid
102. Inclusion of a ________ crop in crop rotation in salt affected areas leads to sustainable production
*a. Green manure b Rice
c. Barley d. Pearl millet
103. Organic matter influences almost all the physical, chemical and ______ attributes of the soil.
* a. Biological
b. Productivity
c. Salinity
d. Alkalinity
104. _____ design is applied under homogeneous conditions
* a. CRD
b. RCBD
c. LSD
d. None
105. The major incidence of salinity and sodicity is in ______ province
a. Punjan
* b. Sindh
c. NWFP
d. Balochistan
106. In sustainable agriculture dependence on synthetic fertilizer and pesticide is _________
a. Mximum *b Minimum
c. Optimum d. Total
107. Water use efficiency is _________ higher in drip irrigation
* a. 20-60%
b. 30-70%
c. 60-70%
d. 70-80%
108. Experimental error determines the ______ in the experiment
a. Similarity
* b. Variability
c. Invariability
d. None
109. Out of total cropped area of country about ______ % is rainfed
a. 75
b. 55
c. 35
* d. 25
110. In analysis of variance _______ is used to test equality of means
a. LSD
* b. F TEST
c. DMRT
d. t distribution
111. Salinity reduces _______ absorption by plants and indirectly induces drought inside the plant system
* a. Water
b. Nutrient
c. Both a&b
d. None of the above
112. Nutrients are removed from the ecosystem in the form of
a. Crop harvest/animal products b. Leaching
c. Volatilization *d. All a, b & c
113. Salinity tolerant genotypes are performing well in _____ regions
a. Semi-arid
* b. Arid
c. Temperate
d. Humid
114. ______ is one in which any individual measurement is as likely to be included as any other
a. Sample
b. Population
* c. Random sample
d. None
115. Total land area of Pakistan is
* a. 79.61 m. ha
b. 7.961 m. ha
c. 796.1 m. ha
d. 796.96 m.ha
116. A _________ is a dosage of material or a method that is to be tested in the experiment
a. Randomization
b. Replication
* c. Treatment
d. Experimental material
117. Intensive agriculture play a vital role in ____________
* a. Chemical pollution
b. Noise pollution
c. Gas pollution
d. None of the above
118. Biofertilizers produce
a. Harmones B Antibiotics
c. Vitamins *d. All a, b & c
119. Livestock sector of Pak accounts for ______ % of agriculture GDP
a. 10
b. 20
* c. 30
d. 40
120. ________ uses the relationship of a variance of means to the variance per experimental unit
* a. MSB
b. MSE
c. MST
d. NONE
121. Allelochemical present in sorghum is used for the control of ________
* a. Deela
b. Itsit
c. Bansigrass
d. Khabalgrass
122. Ultraviolet radiation can change
a. Plant composition b Biodiversity
c. Ecology *d. All a, b & c
123. Crop sector of Pakistan accounts for _____ % of agricultures GDP
* a. 69
b. 55
c. 80
d. 90
124. _______ represents the variability among the experimental units that remain after the other sources of variation have been removed
a. MSB
* b. MSE
c. MST
d. NONE
125. Organic farming is essential for the control of
a. Society demand
* b. Pollution
c. Weeds
d. None of the above
126. Contribution of CFCs towards global warming is ______ times more than CO2
a. 2000 b 3000
127. *c. 4000 d. None of these
The relationship between gross domestic product (GDP) and gross national product (GNP) is
a. Always equal
b. GDP is more than GNP
* c. GNP is more than GDP
d. GNP may be more or less than GDP
128. In linear regression equation Y = a+bx, ________ is regression coefficient
a. Y
b. a
* c. b
d. x
129. Sugarcane crop is a __________ crop
a. Aromatic
* b. Non aromatic
c. Fibre
d. None of the above
130. Concentration of CFCs in atmosphere is ______ times less than CO2
a. 1000 B 5000
*c. 10000 d. 20000
131. Average sugarcane yield of the country is about
* a. 48 t/ha
b. 48 maunds/ha
c. 70 t/ha
d. 70 maunds/ha
132. _____ is the amount of change in the dependent variable associated with a unit change in independent variable
a. Correlation
* b. Regression
c. Linear correlation
d. None
133. __________ is an aromatic crop
a. Wheat
b. Maize
* c. Rice
d. Cotton
134. Green house effect is mainly due to
a. CH4 *b CO2
c. CFCs d. None of these
135. Delta of water for spring planted sugarcane is
* a. 52-55 acre inches
b. 58-61 acre inches
c. 64-70 acre inches
d. 80 acre inches
136. ________ measures the closeness of the relationship
a. Regression
b. Correlation
* c. Coefficient of correlation
d. None
137. To minimize health hazards due to heavy metals following crops could be grown
a. Fruits b Cereals
c. Leaf vegetables *d. Both a & b
138. Seed rate for sugarcane is about
a. 8 maunds/acre
b. 8 maunds/ha
c. 8 tonnes/acre
* d. 8 tonnes/ha
139. ________ is the tendency of two variables to be related in a definite manner
a. Regression
* b. Correlation
c. Coefficient of correlation
d. None
140. Post harvest technology and value _______ emphasizes supply of quality products for ever changing demand.
* a. Addition
b. Marketing
c. Demand
d. None of the above
141. In soils polluted with heavy metals liming can
a. Increase pH b Reduce metal solubility
c. Reduce metal availability *d. All a, b & c
142. The top portion of sugarcane shows rapid germination because in this part
a. Sugar is in sucrose form
* b. Sugar is in glucose form
c. Apical cells are dividing rapidly
d. Auxins are in higher concentration
143. A characteristic of a sample is
* a. Statistic
b. Statistics
c. Parameter
d. Variable
144. Weeds are mostly _____________
a. C3 plants
* b. C4 plants
c. CAM
d. None of the above
145. Examples of non-point source pollutants is
a. Oil spill b. Eroded soil
c. Fertilizer run-off *d. Both b & c
146. Two budded setts of sugarcane are placed in furrows
a. 8-10 cm apart
b. 30 cm apart
* c. End to end
d. 60 cm apart
147. A characteristic of a population is called
a. Statistic
b. Statistics
* c. Parameter
d. Variable
148. Remote sensing is simply obtaining information about an object touching the object as
* a. Without
b. With
c. Both a&b
d. None of the above
149. Air pollution can
a. Raise earth temperature B Cause Ozone depletion
c. Cause acid rains *d. All a, b & c
150. Sugarcane crop requires soil
* a. Medium to heavy textured
b. Light to medium textured
c. Light to heavy textured
d. All of these
151. Specific measurement of a variable is
a. Variation
* b. Variate
c. Variety
d. None
152. Sex pheromones traps are used for the pest of
a. Pink bollworm
b. American bollworm
* c. Both a & b
d. None of the above
153. Methane is released from _________
a. Paddy field b Livestock farm
c. Action of termites’ *d. All a, b and c
154. In cotton (on clayey soils) first irrigation is recommended after _____ days of seeding
* a. 40-50
b. 20-30
c. 30-35
d. 25-30
155. The unit of experimental material to which a treatment is applied is called
a. Experiment
* b. Experimental unit
c. Sample
d. Sampling unit
156. Dependence of cotton on mycorrhizae fungus is _________
*a. Very high b High
c. Low d. Very low
157. Cotton crop requires
a. 4 irrigations
* b. 5-6 irrigations
c. 6-7 irrigations
d. 7-8 irrigations
158. The assignment of treatments to experimental units so that all units considered have any equal chance of receiving is called
a. Replication
* b. Randomization
c. Local control
d. Treatments
159. One of the following insects acts as a Vector (Carrier) for CLCV
* a. White fly
b. Aphids
c. Jassids
d. None of the above
160. Root fungus like mycorrhizae can immobilize heavy metals like _________
a. Zn B Mn
c. Cd *d. a, b & c
161. In saline soils cotton seed is dibbled on
* a. One side of ridge
b. Both sides of ridge
c. At the top of the ridge
d. None of these
162. The procedure for research is generally known as
a. Research approach
* b. Scientific method
c. Experiment
d. None
163. Allelochemicals are used for the control of _______
a. Disease
b. Insect
* c. Weeds
d. None of the above
164. Mycorrizae increase nutrient absorbing capacity of plant roots for _____
a. P b. K
c. Fe *d. a, b & c
165. A good recommended stand for cotton varies from
* a. 40000-50000 ha-1
b. 50000-60000 ha-1
c. 60000-70000 ha-1
d. 70000-80000 ha-1
166. Systematic inquiry into a subject to discover new facts or principles is called
a. Scientific method
* b. Research
c. Experiment
d. None
167. B.T. stand for in B.T. cotton
* a. Bacillus thuringensis
b. Bemisia tabaci
c. Bemisia trachypterus
d. None of the above
168. In organic agriculture rate of extraction from ______ do not exceed the rate of regeneration.
a. Forests B b.Underground water resources
c. None of a & b *d. Both a and b
169. The optimum soil pH for cotton crop is
* a. 6.8-7.7
b. 7.7-8.6
c. Above 8
d. Below 6
170. Latin square design is _______ flexible than the randomized complete block design
a. More
* b. Less
c. Equal
d. None
171. Different methods to reduce endotoxins in cotton fibres are, mechanical cleaning, water washing, steaming and ________
* a. Flash heating
b. Sun drying
c. Air blowing
d. None of the above
172. Organic farming deals with _________
a. Only crops B Agroforestry
c. Animal husbandry *d. a, b & c
173. Cereal grains should be dried to a moisture level of ______% for safe storage
* a. 10-12%
b. 12-15%
c. 15-18%
d. 18-22%
174. Latin square design usually will minimize ______ effectively the influence of soil heterogeneity
a. Less
* b. More
c. Not at all
d. None
175. Systematic inquiry into a subject to discover new facts or principles is called
a. Scientific method
* b. Research
c. Experiment
d. None
176. Green manuring is essential for improving _______ in the rice-wheat cropping
* a. Soil health
b. Soil salinity
c. Alkalinity
d. None of the above
177. There is ___________ potential for utilization of crop residues
a. 25% b 40%
*c. 50% d. 75%
178. The dose of fungicide for seed treatment is
a. 3 kg/kg of seed
b. 3 g/g of seed
* c. 3 g/kg of seed
d. 10 g/kg of seed
179. The ________ is probably the most widely used of all experimental design
a. CRD
* b. RCBD
c. LSD
d. None
180. The new technology for maize growing is through
* a. Transplanting
b. Drilling
c. Dibbling
d. None of the above
181. In conventional agriculture emphasis is given on _________ recycling of ____
a. Crop residues b Animal waste
c. Municipal waste *d. None of these
Captan is used as
a. Insecticide
* b. Fungicide
c. Weedicide
d. None of these
182. Three basic principles of experimental design are randomization, replication and _______
* a. Local control
b. Sampling
c. Blocking
d. None
183. Vermi-compost has _______ effect on sugarcane yield and quality
a. Negative
* b. Positive
c. Less
d. None of the above
184. Organic farming depends on _____
a. Crop rotation b Organic manure
c. Biological pest control *d. All a, b and c
185. Optimum plant population in case of maize grain crop is
* a. 55000-66000 ha-1
b. 66000-88000 ha-1
c. 45000-50000 ha-1
d. 70000-80000 ha-1
There are _____ basic principles of experimental design
a. 2
* b. 3
c. 4
d. 5
186. Raya L-18 successfully grown on
a. Waterlogged soil
* b. Saline soil
c. Alkaline soil
d. None of the above
187. N-fixing biofertilizers are ___________
*a. Azotobacter b. Bacillus
c. Penicillium d. None of these
188. The optimum moisture content in rice grain at harvesting should be about
a. 8%
* b. 20%
c. 28%
d. 35%
189. Any quantity or quality which differs from individual to individual in the same population is
a. Continuous variable
* b. Statistical variable
c. Discrete variable
d. None
190. By adaptation of zero-till technology farmer can save _____ irrigation water
a. 20%
b. 25%
* c. 40%
d. 60%
191. Integrated weed control includes only
a. Ecological approach b Biological approach
c. Cultural approach *d. All of a, b and c
192. In rice water depth higher than ____ affects tillering
* a. 10 cm
b. 15 cm
c. 18 cm
d. 22 cm
193. A specified value of a population is
a. Panel
* b. Parameter
c. Parameteric test
d. None
194. A tractor drawn ZDTD has been developed for sowing of
a. Rice
b. Maize
c. Sugarcane
* d. Wheat
195. Biofertilizers include _____________.
a. Rhizobium b Blue green algae
c. Mycorrhiza *d. A, b & c
196. Sunflower contributes about _______ to the country’s total edible oil production
a. Less than 1%
b. Less than 5%
c. Above 10%
* d. Above 20%
197. A tentative answer to a research problem expressed in the form of a relation between independent and dependent variables is
a. Theory
* b. Hypothesis
c. Experiments
d. None
198. Parachute transplanting of rice saved irrigation water
a. 30%
b. 20%
* c. 60%
d. 10%
199. Inhibition of Rhizobium spp. will result in _________ of green cropping
*a. Failure b Decrease
c. Increase d. None of these
200. The recommended distance between plants and rows in rice is
* a. 22×22 cm
b. 30×30 cm
c. 22×30 cm
d. 17×22 cm
201. A research design that allows one to examine simultaneously the effects of two or more independent variables on the dependent variable is called
* a. Factorial design
b. RCBD
c. CRD
d. LSD
202. By parachute transplanting rice, saving of labour is
a. 40%
b. 30%
* c. 60-70%
d. 50%
203. BT cotton produce protein that makes cotton resistant against ________
a. Glyphosate b Round-up
*c. Both a & b d. Paraquot
204. Rice nursery of fine varieties should not be sown before
* a. June 1
b. May 20
c. June 7
d. June 20
205. A measure that specifies the range of a value within which any %age of the sample mean is located is called
a. Conditional variable
* b. Confidence interval
c. Confidentiality
d. None
206. Black layer appears at physiological maturity in
a. Rice
* b. Maize
c. Cotton
d. Wheat
207. Bioherbicide can be applied as a _____________
a. Water spray b Sand mix application
*c. Both a & b d. None of a & b
208. Dry method of sowing rice nursery requires _______ than wet method
* a. 10-20% more seed
b. 10-20% less seed
c. 20-30% more seed
d. 20-30% lees seed
209. The acceptance of a false null hypothesis is
a. Type I error
* b. Type II error
c. Type III error
d. None
210. An economical alternative of rice transplanting to a traditional practices is
* a. Parachute rice transplanting
b. Direct seeding
c. Transplanting
d. None of the above
211. Bioherbicide has _________ to kill weeds
a. Microbial plant pathogens b Fungal spores
*c. Both a & b d. None of a & b
212. ________ is recommended for reclamation of saline soils
* a. Calcium sulphate
b. Magnesium sulphate
c. TSP
d. CAN
213. The rejection of a true null hypothesis is
* a. Type I error
b. Type II error
c. Type III error
d. None
214. Rice plant respires via __________
a. Parenchyma cell
* b. Aerenchyma cell
c. Chlorenchyma cell
d. None of the above
215. Shelf life of a bioherbicide is _______
*a. Six weeks b. Nine weeks
c. Twelve weeks d. Fifteen weeks
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