agriculture MCQs – Page 140

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 Review each marked answer and report any item that may be outdated or unclear.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

2781. Chemicals, used for controlling the disease of crops, fruits & vegetables is___________ & chemical prepared for controlling insect-pests -:
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A. InsecticidesHerbicides

B. Weedicidesinsecticides

C. FungicidesInsecticides

D. None of the above

2782. The soil air contains a number of gases ______________ & water vapours:
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A. Oxygen

B. All of the above

C. Carbon dioxide

D. Nitrogen

2783. In alkaline soil which form of phosphorus uptake by plants?
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A. both

B. Primary orthophosphate

C. None of these

D. Secondary orthophosphate

2784. Surface removal of ice or snow from a glacier or snowfield by melting, sublimation, and/ or calving:
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A. Backplain

B. Abrasion

C. Bank-Caving

D. Ablation

2785. Maize plant belong to_________?
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A. C4 plants

B. CAM

C. C3 plant

D. None of above

2786. Green manures are mostly used as a source of:_________?
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A. None of these

B. Zink

C. Nitrogen

D. Oxygen

2787. The template of translation is________?
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A. tRNA

B. mRNA

C. rRNA

D. None of these

2788. From the sources of plant nutrients availability in soil, which of the following statements are correct:
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A. The plant absorbs carbon as carbondioxides directly from the atmosphere.

B. Air & water is the source of oxygen & the chief source of soil nitrogen is organic matter & when organic matter decomposes it gives ammonia.

C. All of the above

D. Water is the source of hydrogen

2789. Generally speaking, only level to nearly level (0-2 % slope) & gently sloping lands (2-5 % slope) should be:
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A. brought under range crops

B. Forests

C. Both a & b

D. None of the above

2790. In acidic soil which form of phosphorus uptake by plants?
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A. Secondary orthophosphate

B. Primary orthophosphate

C. Both

D. None of these

2791. Igneous rocks are called:__________?
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A. Aqueous rocks

B. Primary rocks

C. Secondary rocks

D. None of the above

2792. Absence Of Chlorophyll is known as _______?
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A. None of these

B. Agoun

C. Acrodsome

D. Albinism

2793. The arrangement (disposition and number) of bristles or setae on the body and appendages of particular importance in the classification of Diptera and mites:
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A. Chaetotaxy

B. Chela

C. Chitin

D. Both b & c

2794. Which element is deficient in milk _________?
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A. Iron

B. Sodium

C. Phosphorus

D. Calcium

2795. The highest Cation Exchange Capacity is in:_________?
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A. Sandy Soil

B. Clay soil

C. Gravely soil

D. Both A & C

2796. Sugarcane + Potato is an intercropping system of_________?
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A. Zaid season

B. Autumn season

C. Spring Season

D. Rainy season

2797. The suitable species for reclamation of saline & sodic soil is:__________?
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A. Casuarina equisetifolia

B. Albizia lebbeck

C. Both A & B

D. None of the above

2798. An important component of total soil C is charcoal, also known as:__________?
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A. Black C

B. Biochar

C. Both A & B

D. None of the above

2799. Field Capacity is a point at which?
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A. All the macro & micropores in the soil are filled with water

B. All the macropores filled with air & the micropores filled with water

C. All of the above wrong

D. All the macropores filled with water & the micropores filled with air

2800. Shallow channels that can be readily corrected by routine tillage operations is called:
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A. Permanent gullies

B. Ephemeral gullies

C. Both A & B

D. None of these

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