agriculture MCQs – Page 70

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 Review each marked answer and report any item that may be outdated or unclear.

1381. The membrane which surrounds the___________________?
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A. Cutoplasm

B. Nucleus

C. Vacuole

D. Chloroplast

1382. Absence of chlorophyll in a plant is known as__________________?
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A. A gouri

B. Acrodsome

C. Albinism

D. None of the above

1383. Amphimixis refers to_______________________?
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A. None of the above

B. Sexual reproduction

C. Apomixes

D. Asexual reproduction

1384. Out breeding leads to reproduction in____________________?
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A. Homozygosity

B. Heterozygosity

C. Population mean

D. None of the above

1385. In barley, resistance to cereal leaf beetle is associated with_________________?
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A. High benzol alcohol

B. High aspartic acid

C. High silica content

D. Waxiness of leaves
1386. Rice flowers have___________________?
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A. Four stamens

B. None of the above

C. Six stamens

D. Eight stamens

1387. Concept of gene for gene hypothesis was developed in____________________?
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A. Oat

B. Tomato

C. Gram

D. Linseed
1388. In oat an site-specific cross between Ivena sativa and A busantus_____________________?
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A. Fully fertile

B. Incompatible

C. Sterile

D. Partially fertile

1389. Global gene bank of sorghum is located at_______________________?
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A. None of the above

B. ICARDA

C. ICRISAT

D. CIP Peru

1390. Prescribed germination percentage of foundation seed of groundnut____________________?
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A. 90

B. 20

C. 70

D. 95

1391. Evolution may be described as___________________?
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A. History of development of larger biological units

B. Inheritance of acquired characters

C. Cntinuous genetic variation

D. Discontinuous genetic variation

1392. Genetic male sterility is controlled by_________________?
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A. Non alleleic genes

B. All the above

C. nuclear genes

D. Allelic genes

1393. Concept of triple test cross of analysis was developed by____________________?
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A. Anderson (1957)

B. Kearsey and Jinks (1960)

C. Mather (1949)

D. Fisher (1960)

1394. The term recurrent selection was coined by_________________?
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A. Hull (1950)

B. Hays (1919)

C. Garber (1955)

D. Hull (1945)
1395. Protoandry is found in____________________?
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A. Maize

B. Barley

C. Wheat

D. Sorghum

1396. In forage, crops, ideal plant type consists of ______________________?
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A. Dwarf, late green

B. Dwarf stature

C. Tall, leafy, high leaf/stem ratio

D. Late resistance to disease

1397. A plant part which provides top and fruit bearing surface is called__________________?
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A. Root stock

B. Scion

C. Both a & b

1398. Theory of mutation was given by___________________?
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A. Watson

B. De Vries

C. Mendel

D. Tschermak

1399. Name chromosome was coined by ___________________?
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A. Van Beneden

B. Walleye

C. Aluman

D. T. Boveri

1400. Citrus orchards are usually planted in___________________?
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A. Quineunx system

B. None of the above

C. Rectangular system

D. Square system