agriculture MCQs – Page 31

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 Review each marked answer and report any item that may be outdated or unclear.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

601. The weight per unit of liquid at standard Temperature and pressure is called___________________?
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A. Specific weight

B. Capillary rise is significant

C. Mass weight

D. Mass density

602. Methamidophos, moncrotophos are example of___________________?
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A. Organophosphrous pesticides

B. Pyerthorids

C. Carbamates

D. Organoctilorine pesticide

603. Specific gravity of a liquid is defined as the ratio of its specific weight to that of pure water and standard temperature and pressure. Therefore specific gravity is equal to ___________________?
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A. 1.5

B. 2

C. 1.2

D. 1.0

604. Cotton bollworms, sugarcane borers are_________________?
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A. Major pest

B. Key pest

C. Secondary pest

D. Minor pest

605. Cypermethrin, deltamerthrin, permethrin are example of__________________?
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A. Pyrethroids

B. Carbamate

C. Organochlorine

D. Organophosphrous

606. Readily available moisture is the % of moisture that is always easily available to plant and this moisture is called _________________?
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A. 80%

B. 85%

C. 75%

D. 70%

607. Desert locust is__________________?
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A. Potential pest

B. Occasional pest

C. Migrant pest

D. Key pest

608. Water storage efficiency in the root zone depends upon__________________?
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A. Fine particles of soil

B. Coarse particles of soil

C. Climatic conditions

D. Porosity

609. A mixture included pesticides which do not increase or decrease the efficacy of each other is called___________________?
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A. None of the Above

B. Additive mixture

C. Potentiating mixture

D. Antagonistic mixture

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

B. Cultural control

C. Physical control

D. Biological control

611. Surface tension is the property of a liquid which enables it to resist tensile stress. the surface tension of water is equal to ______________ Kg/m?
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A. 0.0075

B. 0.006

C. 0.0065

D. 0.0056

612. The workers of ant, of ant, bee and wasps are_________________?
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A. none of the above

B. May be a non reproductive male or non reproductive female

C. A non reproductive male

D. A non reproductive female

613. The spreading habit of the crop caused by insect which makes cultivation, weeding and harvesting more difficult is process of________________?
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A. Pest scouting

B. Surveillance

C. Fore casting

D. Haemospora

614. When reservoir is full on upstream side, the maximum stress comes upon__________________?
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A. Top of dam

B. Face of dam

C. All are correct

D. Bottom of dam

615. in most economical Trapezoidal section, half of the Top width is equal to _________________?
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A. Bottom width of channel

B. Depth of channel

C. None of these

D. Sloping side of channel

616. A type of flow in which water particles, while moving in the direction of flow, rotate about their mass centre is called _________________?
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A. Rotational flow

B. Laminar flow

C. Circular flow

D. Turbulent flow

617. What is antidote of anticoagulant rodenticide_____________________?
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A. Earbiturate

B. Diazepam

C. Atropine

D. Vitamin K

618. All the practices used to control the pest population with in certain limit are called_________________?
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A. Natural control

B. Artificial control

C. Cultural control

D. Chemical control

619. Compressibility of a liquid is defined as vertical or contraction in volume with variation of pressure. Therefore water is considered as ___________________?
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A. Expandable

B. Compressible

C. In-Compressible

D. All are correct

620. The living organisms that are smaller, weaker or less intelligent than be predor is called____________________?
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A. Prey

B. Predator

C. Host

D. Parasite

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