agriculture MCQs – Page 182

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 Review each marked answer and report any item that may be outdated or unclear.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

3621. These crops are planted in winter from October to December and harvested in summer from March to May is called______?
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A. Kharif crops

B. Rabi crops

C. Relay crops

D. All of these

3622. Generally field crops are cultivated at altitude__________________?
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A. 1200014000 ft

B. 0008000 ft

C. 02000 ft

D. 20004000 ft

3623. The depth of irrigation water required for the full crop period is called_______________?
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A. non of these

B. Delta of water

C. Consuptive use of water

D. Optimum use of water

3624. Initial vegetation that invades and occupies the area is called_________________?
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A. Resin

B. Range

C. None of the above

D. Pioneer

3625. Narcotic crops mainly grown in Pakistan is_________________?
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A. Pyrethrum

B. Co see

C. Tobacco

D. Cocon

3626. Who gave the formula for speed of germination_______________?
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A. Baskin (1972)

B. Maguire (1962)

C. Germ (1949)

D. Moore (1973)

3627. In rice, high silicon content, in shoot confers resistance to_________________?
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A. All the above

B. Stem borer

C. Root borer

D. Leaf borer

3628. Air contains___________________?
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A. 50% nitrogen

B. None of the above

C. 70% nitrogen

D. 78% nitrogen

3629. The deficient level of N(%) in plants suggested by various workers is_________________?
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A. 10%

C. <5%

D. <2%

3630. Progeny of nucleus seed is called__________________?
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A. Breeder seed

B. Registered seed

C. Certified seed

D. Foundation seed

3631. When one set of vegetation follows the oilier set of vegetation with passage of time is known as________________?
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A. Linear planting

B. Biodiversity

C. Retrogression

D. Succession

3632. A warm summer and pronounced winter is called________________?
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A. Temperature

B. Arid

C. None of the above

D. Tropical

3633. Oka (1975) has suggested that me population size suitable for maintenance and seed production of a commercial crop of a self pollinated species should be________________?
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A. 300 plants

B. 400 plants

C. 100 plants

D. 200 plants

3634. Abnormal seeding growth in rice may be due to_________________?
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A. Endogenous inhibitors

B. Al the above

C. Lack of integrity in seed cells

D. Intrinsic Mechanism

3635. Cultivation of same crop year after year is called________________?
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A. Double, cropping

B. Single cropping

C. Monocropping

D. All the above

3636. Young ones of fly is_________________?
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A. Grub

B. Maggot

C. Imago

D. Puparium

3637. Costal margin of wing of insect is______________?
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A. Hinder margin

B. Inner margin

C. Outer margin

D. Frontal margin

3638. Insect which are found every where are called___________________?
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A. Household insects

B. Cosmopolitan insects

C. None of the above

D. Store grain

3639. The bees which are reared artificially as commercial business are called________________?
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A. Domestic bees

B. Wild bees

C. Jelly

D. None of above

3640. Insects in which the young ones pass through complex or indirect metamorphosis are said to be _____________?
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A. Ametabola

B. Holometabola

C. Hypermetamophosis

D. Hemimetabola

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