agriculture MCQs – Page 218

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 Review each marked answer and report any item that may be outdated or unclear.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

4341. Formation of male and female gametes in the flower is called__________________?
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A. REproduction

B. Fertilization

C. Zygote formation

D. Gametogenesis

4342. Fruit in which edible portion is thalamus are known as___________________?
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A. Berries

B. Aggregate fruit

C. Soft fruits

D. Pome

4343. A pigment sensitive to light is known as___________________?
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A. None of the above

B. Photo pigment

C. Photo phase

D. Photo receptor

4344. Shrubs and flowering trees are propagated through_________________?
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A. Hard wood cutting

B. Semi hard wood cutting

C. Soft wood cutting

D. Semi soft wood cutting

4345. What type of pollination is observed in okra_________________?
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A. Cross pollination

B. Partually self pollination

C. Partially cross pollination

D. Both A & B

4346. Synthetic products which when applied to plants produce reactions almost identical to those caused by natural harmonics are called______________?
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A. Plant harmonics

B. Photoperiodism activants

C. Plant growth regulators

D. Plant growth promoters

4347. Imperfect flower is___________________?
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A. Without sepals

B. None of the above

C. Without petals

D. Unisexual

4348. In day time plants release_________________?
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A. Hydrogen

B. Nitrogen

C. Carbon dioxide

D. Oxygen

4349. Vernalization is a process that________________?
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A. Promote seed maturation

B. Promote flowering

C. Enhance maturity in plants

D. Initiate fertilization

4350. Degreening of citrus fruit is achieved by the use of_____________________?
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A. Cytokinine

B. Ethylene

C. Ethrel

D. Ethepone

4351. A group of plants providing food, fiber and shelter is____________________?
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A. Angiosperm

B. Dieetyledens

C. Gymnosperm

D. Monocotyledons

4352. Several scions with their base ends trimmed as wedges are inserted between the bark and the wood is called_________________?
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A. Tongue grafting

B. Bridge grafting

C. Splice grafting

D. Bark grafting

4353. Auxins and cytokinins are________________?
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A. Growth regulators

B. Fungicides

C. Herbicides

D. Insecticides

4354. A physiological aging activity in which plant tissues degenerate and ultimately die is called___________________?
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A. Fruit ripening

B. Maturity

C. Senescence

D. Both a & b

4355. Establishment of new crop naturally or artificially is _________________?
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A. Nursery

B. Regeneration

C. Sericulture

D. Siliviculture

4356. Nitrogen requirement for citrus plant per year is___________________?
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A. 1 Kg

B. 2Kg

C. 1-1.5Kg

D. 4Kg

4357. Transfer of pollen grains of a flower to the stigma of the same the flowers of the same plant is called__________________?
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A. Polygamy

B. Homogamy

C. None of the above

D. Autogamy

4358. Study of plant species in relation of its environmental history ___________________?
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A. Ontogeny

B. Histology

C. Phylogemy

D. None of the above

4359. Tomatoes would not have turned red if__________________?
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A. They were kept at the bottom layer of the box

B. Less hey had been put in the box

C. There were no ripe apples in the box

D. They were mixed with the ripe apples

4360. Anthesis starts in onion. at__________________?
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A. 7.00 am

B. 5.00 am

C. 10.00 am

D. 8.00 am

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