agriculture MCQs – Page 134

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 Review each marked answer and report any item that may be outdated or unclear.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

2661. Effects of soil pollution may also include:___________?
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A. Soil structure is damaged or polluted soil may no longer grow crops & fodder

B. Pollution runs-off into rivers & kills the fish, plant & other aquatic life

C. Crops & fodder grown on polluted soil may pass the pollutants on to the consumers

D. All of the above

2662. Conversion of inorganic P to organic P is known as:_________?
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A. Mineralization

B. Immobilization

C. Solubilization

D. both A & C

2663. Irregular rock masses formed in the pre-existing cracks & crevices are:__________?
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A. Sills

B. Dikes

C. Lacoliths

D. Batholiths

2664. In which form plant uptake phosphorus?
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A. H2po4

B. Non of these

C. HPO4-2

D. Both

2665. The centre of origin of sunflower is__________?
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A. West Africa

B. South America

C. North America

D. East Asia

2666. ____________ converts ammonia into nitrite?
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A. Rhizobium

B. Nitrobacter

C. Nitrosomonas

D. Azotobacter

2667. Suri is the variety of__________ ?
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A. Cherry

B. Olive

C. Non of the above

D. Mango

2668. How much iodine is contained in the body of an adult person?
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A. 5 to 10 mg

B. 10 to 20 mg

C. 50 to 100 mg

D. 20 to 50 mg

2669. Which area of Pakistan is best for agriculture________?
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A. Kpk

B. Sindh

C. Baluchistan

D. Punjab

2670. Wheat plant belong to__________?
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A. C3 plant

B. CAM

C. C4 plants

D. None of above

2671. In spermatogenesis, each spermatogonium increases in size to form a __________?
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A. Spermatid

B. Primary oocyte

C. Spermatocyte

D. Spermatozoa

2672. Lac is produced by:___________?
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A. Males insect only

B. More by males than females

C. Females insect only

D. More by females than males

2673. Which one of the following is not a cereal crop?
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A. Wheat

B. Sorghum

C. Paddy

D. Maize

2674. Metamorphic rocks are classified into:___________?
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A. Foliated metamorphic rocks

B. Non-foliated metamorphic rocks

C. Both a & b

D. None of a & b

2675. Potassium plays a significant role in the transport of water & nutrients through the plant in the xylem. When the supply of K is reduced, the transportation of ___________________ is depressed:
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A. All of the above

B. Calcium, magnesium

C. Amino acids

D. Nitrates, Phosphates

2676. The study of relationship between soil properties & plant production is known as:_________?
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A. Pedology

B. Agronomy

C. None of these

D. Soil Science

2677. The capacity of a soil to function on sustained basis promoting plant & animal health:
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A. Soil neutrality

B. Soil quality

C. Both a & b

D. None of these

2678. Flow of nitrogen in soil due to:_________?
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A. Mass flow

B. Diffusion

C. None of the above

D. Interception

2679. The word Agriculture is derived from___________?
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A. French

B. None of the above

C. Arabic

D. Greek

2680. Organic Soils are classified as ____________ and are also known as ____________ soils:
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A. Alfisols. fine & coarse textured

B. Ultisols, Fe & Al rich

C. None of the above

D. Histosols, peat & muck

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