agriculture MCQs – Page 211

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 Review each marked answer and report any item that may be outdated or unclear.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

4201. Surface temperature of sun is___________________?
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A. 100,000C

B. 500C

C. 2000C

D. 6000C

4202. The smell in onion bulb is due to__________________?
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A. Sulphur components

B. bad odour of the soil

C. Much sugar

D. Fleshy leaves

4203. Cotton fiber are made up of___________________?
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A. Protein

B. Cellulose

C. Starch

D. Fates

4204. Skin diseases, night blindness and kidney stone are caused by the deficiency of__________________?
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A. Vitamin D

B. Protein

C. Vitamin A

D. Vitamin B

4205. The metric unit of light is___________________?
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A. Lux

B. Lumen

C. Noticlemiles

D. Km

4206. The portion of the axis below the cotyledons is known as___________________?
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A. Hypocotyle

B. Epictyl

C. Micropyle

D. None of the above

4207. Plants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called___________________?
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A. Short day plants

B. Long day plants

C. Phototropism

D. Photoperiod

4208. A form of controlled atmosphere storage in which the produce is stored in a partial vacuum is called___________________?
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A. Modified storage

B. Ca storage

C. Hypo baric storage

D. Gas storage

4209. Self supporting succulent plants are called____________________?
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A. Off shoots

B. Herbs

C. Shurbs

D. Succulents

4210. A condition of green plant in which they become unhealthy and pale yellow in colour in known as_________________?
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A. Chloroplast

B. Chlorsis

C. Leucoplast

D. Chromoplast

4211. Citrus has its origin in____________________?
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A. Indo- Chinese region

B. Middle east

C. South America

D. Africa

4212. Removing of certain shoots, cones, spurs from the base of plant is called___________________?
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A. Thinning out

B. Heading back

C. Training

D. Pruning

4213. Aging process in which all plant parts except seeds die is called_________________?
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A. Partial Senescence

B. Complete Senescence

C. All the above

D. Senescence

4214. What is 2,4-D____________________?
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A. IAA

B. All the above

C. 2-4 napthalene acetic acid

D. 2-4 diclorophenoxy acetic acid

4215. Parthenocarpic refers to____________________?
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A. Seed less fruit

B. All the above

C. Single seeded fruit

D. Multi seed fruit

4216. Heat requirement to change 1 Kg of a substance at its boiling point from the liquid to vapour is called__________________?
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A. Heat of vaporization

B. Heat of fusion

C. Mechanical heat

D. Heat energy

4217. Plants which shed their leaves during winter are___________________?
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A. Evergreen

B. deciduous

C. Monoecious

D. annuals

4218. Commercial growth inhibitors include__________________?
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A. All the above

B. Chlormequat

C. Daminozide

D. Cycocel

4219. A branch of Horticulture dealing with the production of fruits and their distribution is called_______________?
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A. Pomology

B. Olericulture

C. Sericulture

D. Citricultire

4220. Witting and shriveling of fruits is prevented by the use of_________________?
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A. 2,4-D

B. None of the above

C. Waxing

D. Ethylene

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