agriculture MCQs – Page 127

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 Review each marked answer and report any item that may be outdated or unclear.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

2521. Acidlime is commercially propagated by________?
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A. Seed

B. All of the above

C. Cutting

D. Grafting

2522. Alley cropping means?
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A. Growing of only short duration crops in between two widely spaced rows of fast growing trees

B. Growing of pastures in between two widely spaced rows of fast growing trees

C. Growing of field crops in between two widely spaced rows of fast growing trees

D. Growing of only fooder crops in between two widely spaced rows of first growing trees

2523. Which element is known as chemical police man of plant?
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A. Magnesium

B. Potassium

C. All of the above

D. Phosphorus

2524. 1 mg of H+ will be equal to_________?
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A. 9 mg of Al3+

B. 20 mg of ca2+

C. 12 mg of Mg2+

D. All of the above

2525. The process of deposition of soil materials in the lower layer is termed as:_________?
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A. Illuviation

B. Laterization

C. Podzolization

D. Eluviation

2526. Rate of entry of water in soil is__________?
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A. Leaching

B. Infiltration

C. Percolation

D. Seepage

2527. Which of the following is a component of nucleic acid and protein:
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A. Mg

B. Ca

C. None of the above

D. N

2528. The first mechanism to start in the wind erosion is_________?
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A. None of these

B. Siltation

C. Creep

D. Saltation

2529. The Tree sends down roots from its branches to the soil is known as:___________?
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A. Palm

B. Banyan

C. Oak

D. Pine

2530. Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?
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A. Additions, losses

B. Transfers and transformations

C. both A and B

D. None of the above

2531. The soils most prone to structural crusts are those which are higher in_________?
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A. Clay content

B. Sodium content

C. Silt content

D. Both A & B

2532. Biological Weathering involves:
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A. All of these

B. Man and Animals

C. Micro- organisms

D. Higher Plants and Roots

2533. Which chemical used to prevent evaporation from surface of water in water bodies?
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A. Cetyle alcohol

B. Methyle alcohol

C. both A and B

D. None of these

2534. Water is the major constituent of all living creatures. Biomass of plants is composed of ________% water:
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A. 65 75%

B. 85 95%

C. 72 62%

D. 75% 80%

2535. The use of all possible control strategies to manage the pest population below economic injury level is called:_______?
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A. IPC

B. IPM

C. Pest resugrgence

D. Pest outbreak

2536. Principles of soil conservation does not include:
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A. Leave barren lands uncultivable to support desrtification degradation

B. Minimize run-off & store surplus water

C. Construction of mini dams & ponds to store water for live stock & other porposes

D. Use non-arable lands effectively

2537. What was the Agriculture sector growth rate in the year 2019?
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A. 4.85%

B. 6.85%

C. 0.85 % ?

D. 2.85%

2538. Humus generally refers to the decomposed organic residues which have undergone a series of degradation and synthesis cycles. The humic substances consist of a series of highly acidic, yellow to black coloured, high molecular weight compounds __________________, which can be separated using different extraction procedures:
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A. Hymatomelanic acid & Humin

B. Humic acid & Fulvic acid

C. both A & B

D. None of these

2539. The one reason of unfruitfulness in fruits may be:__________?
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A. Heterostyly

B. Monoecy

C. Compatibility

D. None of above

2540. In Pakistan there is general deficiency of rainfall. It varies from 125 mm annually in upper Sindh to about 900 mm in the sub-mountainous of northern Pakistan. In Balochistan the mean annual rainfall is about 200 mm, diminishing to ________ mm in the desert of Kharan:
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A. None of these

C. >70 mm

D. 100 mm

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