agriculture MCQs – Page 263

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 Review each marked answer and report any item that may be outdated or unclear.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

5241. Tea, coffee and mango seeds can not be converted in seed banks because they drastic loss in viability with decrease in moisture content below.___________________?
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A. 18%

B. 12%

C. 15%

D. 20%

5242. The concept of multi line varieties was developed by_________________?
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A. Falconer (1960)

B. Johannsen (1903)

C. Goulden (1939)

D. Jensen (1952)

5243. Parthenocarpy is the production of____________________?
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A. Fruit without pollination

B. Only seed and no fruit

C. fruit without fertilization

D. Seed without fertilization

5244. Law of parallele variation was given by___________________?
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A. Vavilov

B. Wilkins

C. None of the above

D. Jacob

5245. Concept of ideotype___________________?
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A. Model plant type

B. Good plant model

C. Ideal plant type

D. All the above

5246. Cytoplasmic sterility is govemed by________________________?
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A. None of the above

B. Plasma genes

C. Nuclear genes

D. Monoalleleic genes

5247. Which one is C3 crop plant__________________?
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A. all the above

B. Tomato

C. Onion

D. Gram

5248. Drought resistance is associated with___________________?
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A. Physiological factors

B. all the above

C. Biochemical factors

D. Morphological factors

5249. Low magnitude of genotype x environmental interaction indicates__________________?
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A. Stability

B. Low buffering capacity

C. Adaptability

D. High buffering capacity

5250. Ratio of additive variance to phenotypic variance is called___________________?
0

A. Heritability (broad sense)

B. Genetic gain

C. Heritability (narrow sense)

D. Co-heritability

5251. Global gene bank of sorghum is located at_______________________?
0

A. ICARDA

B. CIP Peru

C. ICRISAT

D. None of the above

5252. Split gene was first reported in___________________?
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A. Drosoplulla

B. All the above

C. Cluckens

D. Pea

5253. Pollen sterility which is controlled by both cytoplasmic and nuclear genes is known as___________________?
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A. GMS

B. CMS

C. all the above

D. CGMS

5254. Prepotency increase with increase in_______________?
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A. All the above

B. Homogeneity

C. Homozygosity

D. Hetrozygosity

5255. Concept of combining ability as measure of gene action was first proposed by___________________?
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A. Sprague and Tatum (1942)

B. Mather (1956)

C. Cavalli (1952)

D. Wright (1951)

5256. Erucic acid is found is_____________________?
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A. Til

B. Soybean

C. Mustard

D. Safflower

5257. Homozygous population include_________________?
0

A. Inbreed lines

B. Multi lines

C. Pure lines

D. All the above

5258. ICARDA is located at___________________?
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A. Columbia

B. Syria

C. Tamil Nadu

D. None of the above

5259. Herkogamy is found in___________________?
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A. Berseen

B. Barley

C. Lucrene

D. Alfalfa

5260. Self incompatibility which is controlled by single gene found in some species of__________________?
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A. All the above

B. Cruciferae

C. Solanaceae

D. Leguminosae

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