agriculture MCQs – Page 123

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 Review each marked answer and report any item that may be outdated or unclear.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

2441. 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

2442. Soil word derive from which language?
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A. None of the above

B. Greek

C. Latin

D. English

2443. Father of soil conservation and Father of Pedology respectively?
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A. Winogradsky & R. Morphy

B. Winogradsky & Dokuchaev

C. Bennett & Dokuchaev

D. both A & B

2444. Which leaf of rice is sampled for tissue nutrient analysis?
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A. Mature leaf

B. Lower leaf

C. Both A & B

D. None of these

2445. Which one of the following clay mineral has the highest CEC?
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A. Vermiculite

B. Kaolinite

C. Illite

D. Montmorillonite

2446. Sulphur is an essential component of:__________?
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A. Cystine

B. Methionine

C. Cystein

D. All of these

2447. World biodiversity day is celebrated on:_________?
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A. 21-Mar

B. 22-Apr

C. May-22

D. 2-Mar

2448. Loss of nitrogen in the form of NH3 in alkaline medium is known as_________?
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A. None of these

B. Leaching

C. Volatilization

D. Denitrification

2449. Most out standing green manure crop is__________?
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A. Sun hemp

B. Dhaincha

C. Both of the above

D. None of the above

2450. _______________ of alluvium (stratified sediment) by earth-worms is the most important soil-forming process in the alluvial plain of Pakistan:
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A. Pedoturbation

B. Lessivage

C. Melanization

D. Homogenization

2451. The lands which are rich in soluble salts and exchangeable sodium:
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A. Saline-Alkaline

B. None of the above

C. Alkaline

D. Saline soil

2452. _____________industry is the backbone industry of Pakistan?
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A. Mining Industry

B. Agricultural industry

C. Petroleum industry

D. None of these

2453. Which of the following nutrient elements are regarded as energy exchangers:
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A. Hydrogen

B. Oxygen

C. Both A & B

D. None of these

2454. Soil pores created by the animal such as earthworm and plant root are called_________?
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A. Diameter

B. Biopores

C. Microspores

D. Mesopores

2455. The tension of the water at the upper plastic limit is equivalent to pF value:
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A. 1

B. 0.5

C. 2.5 3.5

D. 2

2456. Soil samples are collected:
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A. Field with upper white layer of salts

B. Boundaries of the field

C. From the field with immediate application of fertilizer or amendments

D. None of these

2457. Being a soil scientist, do you know which is the popular book of soil science of Nyle.C.brady, 14th edition available in markets:
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A. The mechanics of soil

B. Essenttials of soil sciences

C. Fundamentals of soil

D. The nature and properties of soil

2458. Soil particles as individuals such as sand and do not form aggregates. These are usually found in parent material or C horizon is:_________?
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A. All of the above

B. Single-grained

C. Aggregated

D. Massive

2459. Which mulch reduce soil temperature?
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A. Polythene

B. White polythene

C. Black polythene

D. Both B&C

2460. Most abundant organic compound in nature?
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A. All of these

B. Lignin

C. Cellulose

D. Hemicellulose

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