agriculture MCQs – Page 162

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

agriculture Mcqs

1. soil science 2. agronomy 3. entomology 4. water management 5. horticulture 6. agricultural economics 7. plant pathology 8. food technology 9. animal husbandry 10. plant breeding and genetics

3221. The symbol of Na stands for___________________?
0

A. Natrium

B. Nickle

C. Neon

D. None of these

3222. Which compound decay slowly______________________?
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A. Amino acid

B. Lignin

C. Cellulose

D. fats

3223. A treeless artic plain is called as___________________?
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A. Glaciers

B. None of the above

C. Barren land

D. Tundra

3224. The reaction of Na2 CO3 salt is____________________?
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A. Alkaline

B. None of the above

C. Neutral

D. Acidic

3225. A soil is categorized as saline when EC of saturation extract is______________________?
0

A. 0.4 4.0 dsm-1

B. >4dsm-1

C. 0.4dsm-1

3226. Fine-graned rocks formed on earth crust are called____________________?
0

A. Intensive igneous rock

B. Extrusive rock

C. Plutonic

D. Sedimentary rock

3227. The kaolininte is a layer silicate clay mineral, it is 1:1 type of mineral with___________________?
0

A. None of the above

B. 40 meq/100g CEC

C. 3-15 meq/100g CEC

D. 50 meq/100g CEC

3228. Percentage of N in Ammonium sulphate fertilizer is___________________?
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A. 21

B. 45

C. 35

D. 23

3229. Total salt affected soils of Pakistan are____________________?
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A. 10.5 m ha

B. 12.3 m ha

C. 6.3 m ha

D. 5.0 m ha

3230. Most widely spread mineral in the world is________________?
0

A. None of the above

B. Iron

C. Kaolinite

D. Salt

3231. Which is passive factor of weathering ?
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A. Organisms

B. Parent material

C. Climate

D. Temperature

3232. Rhyolite in nature is______________________?
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A. Acidic

B. Basic

C. Both a & b

D. None of the above

3233. Na2CO3 salts is___________________?
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A. Neutral

B. Alkaline

C. None of the above

D. Acidic

3234. Perfect hardness of any mineral is determined by___________________?
0

A. None of the above

B. pH scale

C. Foot scale

D. Mhos scale

3235. Sugar cane is_____________________?
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A. None of the above

B. C3 plant

C. C4 plant

D. C2 plant

3236. Rocks having coarse bubble holes are called_______________________?
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A. Purr ice

B. Scoria

C. Mafic

D. Felsic

3237. Planets in our system are____________________?
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A. 9

B. 8

C. 10

D. 12

3238. The earth core is made of the following metals ______________________?
0

A. None of these

B. Cu & Ni

C. Mg & Ni

D. Fe & Ni

3239. Weathering of gabbros gives_____________________?
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A. Clay and iron oxide

B. Sand and clay

C. Sand and iron oxide

D. Clay and Mg oxides

3240. The term applied to a material which tends to absorb moisture from the atmosphere is called__________________?
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A. Available

B. Hydroscopic

C. Capillary

D. Gravitational

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