agriculture MCQs – Page 192

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 Review each marked answer and report any item that may be outdated or unclear.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

3821. The parasite which requires only one host for its complete life cycle is called________________?
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A. Entomophagous parasites

B. Monoxenous parasites

C. Zoophagous parasites

D. Phytophagous parasites

3822. The insect skeleton is composed of series of plates called__________________?
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A. Somites

B. Sclerites

C. Sutures

D. Conjunctivae

3823. Where the most insects are abundant____________________?
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A. temperature region

B. Sub tropical

C. Tropical region

D. None of the above

3824. Cotton bollworms, sugarcane borers are_____________?
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A. Major pest

B. Secondary pest

C. I do not agree with above statement

D. Key pest

3825. Function of epiculticle in insect is__________________?
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A. Prevent evaporation

B. Impermeability of water and prevent evaporation

C. Rigidly of body parts

D. Impermeability of water

3826. Use of living organism to bring down the pest population to sub economic level is called____________________?
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A. Physical control

B. Natural control

C. Cultural control

D. Biological control

3827. A type of resistance in which a series of different cultivars of the same crop are infested with a series of different insect biotypes of same species show a differentia interaction is known as_________________?
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A. Vertical resistance

B. Specific resistance

C. Cross resistance

D. Horizontal resistance

3828. Photogenic organ are present in____________________?
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A. Flies

B. Fire flies

C. Wasps

D. Honey bee

3829. A chemical which inhibits clotting mechanisms of the blood is called __________________?
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A. Acute poisoning

B. Defoliant

C. Chronic poisoning

D. Bait

3830. The quality a of a pesticide to remain as an effective residue because of its low volatility and chemical stability is termed as__________________?
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A. Aerosol

B. Desiccant

C. Persistence

D. Defoliant

3831. The living organism that live in or on the bodies of other living organisms from which they get their food, during at least one stage of their existence is called________________?
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A. Predator

B. Prey

C. Parasitism

D. Parasites

3832. Which hormone cause moulting in insect_________________?
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A. Juvenile

B. None of the above

C. Activation hormone

D. Ecdysone

3833. Diazepam is an antidote of_________________?
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A. Carbamte

B. Organophosphate

C. Pyrethorid

D. Organ chlorine

3834. Various methods of pest scouting are_________________?
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A. Maryos method

B. Diagonal method

C. All the above

D. Zig zag method

3835. Butterflies having wing coupling apparatus is__________________?
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A. Jugum

B. Frenulum

C. Overlapping and Jugum

D. Overlapping

3836. The lowest pest population that will cause economic damage is called ___________________?
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A. None of the Above

B. Economic damage

C. Economic injury level

D. Economic threshold level

3837. What KD50____________________?
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A. Highly knock down

B. Medium knock down

C. None of above

D. Low knock down

3838. Function of endo cuticle is________________________?
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A. Rigidity of body parts

B. Impermeability of water

C. Prevent evaporation

D. Extensiblity of integument and flexibility

3839. 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. Pest outbreak

C. IPM

D. Pest resugrgence

3840. The pesticide are derived from naturally occuring element with out carbon is called________________?
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A. Inorganic pesticide

B. Organic pesticide

C. Natural pesticide

D. Fumigants

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