agriculture MCQs – Page 272

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 Review each marked answer and report any item that may be outdated or unclear.

5421. The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________?
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A. Gene flow

B. Genetic drift

C. Gene frequency

D. None of the above

5422. Who gave the principle that man tends to multiply faster than food supply________________?
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A. Mendel

B. Mathis

C. Haldane

D. Darwin

5423. A polyploidy species with genomes derived from the same original species is an_________________?
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A. Allopolyploidy

B. Autopolyploid

C. Annapolis

D. Amphidiploids

5424. Edible part of pomegranate is____________________?
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A. juicy epicure

B. juicy test

C. Monocarp

D. juicy hairs

5425. Which of the cell organelle is considered to be rich in catabolic enzymes_____________________?
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A. Lysosome

B. Mitochondria

C. Endoplasmic reticulum

D. Golgi bodies

5426. DNA is genetic material was first discovered by____________________?
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A. Attmann (1889)

B. Sressler (1968)

C. Crick (1953)

D. Avery et al (1944)
5427. The protoplasm is________________?
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A. Solution

B. Semi-solid

C. Crysto colloidal solution

D. Colloidal solution

5428. In potato food is stored in__________________?
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A. Shoot

B. Flowers

C. Root

D. Leaves

5429. Winter beats are grown in___________________?
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A. Canada

B. Mexico

C. Iran

D. India

5430. The organic evolution look place about__________________?
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A. Still occurring

B. 200,000,000 ears

C. 100,000,000 years

D. 300,000,000 years

5431. Who coin the term genetic load _____________?
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A. Hardy (1908)

B. Ford (1940)

C. Muller (1950)

D. Satisbury (1940)

5432. Selenium unigram is used as__________________?
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A. In lowering blood pressure

B. Cardio vascular stimulant

C. All the above

D. In breaking down of cholesterol

5433. Chemically DNA differs from RNA by __________________?
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A. Thymine present in DNA and Uralic in RNA

B. Deoxyribose in DNA and ribose in RNA

C. Deoxyribose and thymine is present in DNA and ribose and Ural in RNA

D. Ribose and thymine in DNA and deoxyribose and uracil in RNA

5434. The chromosome number of human race is__________________?
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A. 41

B. 46

C. 44

D. 48

5435. In a population gene frequencies remain constant when there is_________________?
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A. Selective mating

B. Random mating

C. Iubreeding

D. Out breeding

5436. Which of the following is not a fruit____________________?
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A. Potato

B. Muskmelon

C. Bitter gourd

D. Tomato

5437. Srought is indicated by__________________?
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A. Increase in proline level

B. leaf rolling

C. all the above

D. Increase in ethylene level

5438. Heterosis can be fixed by___________________?
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A. Asexual reproduction

B. Apomixis

C. Polyploidy

D. All the above
5439. In wheat, example of durable insect resistance includes resistance to___________________?
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A. Green bugs

B. All the above

C. Hessian fly

D. Stem saw fly

5440. The name Suicide bag is given to___________________?
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A. Lysosmes

B. Centrosomes

C. Ribosomes

D. Microsomes