agriculture MCQs – Page 83

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 Review each marked answer and report any item that may be outdated or unclear.

1641. Which one of the following is not found in DNA__________________?
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A. Thymine

B. Guanine

C. Uracil

D. Cystine

1642. The chief function of the centro mere concerns___________________?
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A. Chromosome movement

B. Chromosome replication

C. Spindle formation

D. Nucleolus formation

1643. Cleft grafting is most successful in_________________?
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A. Almond

B. Apple

C. Both a & b

D. None of the above

1644. Cabbage and cauliflower are also___________________?
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A. Leafy vegetables

B. Cole crop

C. Solanaceous

D. Bulb crop

1645. Direct effect of pollen grains on the female tissues of the ovary is called__________________?
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A. Xenia

B. Metaxenia

C. Pollination

D. None of the above

1646. What type of pollination is observed in cucumber_____________________?
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A. Partially cross pollination

B. Self pollination

C. Partially self fertilization

D. Cross pollination

1647. Diagrammatic representation of the chromosomes of an organism arranged according to their size is called_____________________?
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A. Gene map

B. Karyotype

C. Ideogram

D. Phenotype

1648. In day time plants release_________________?
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A. Oxygen

B. Carbon dioxide

C. Hydrogen

D. Nitrogen

1649. The main function of auxin is_____________________?
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A. Cell division

B. Cell production

C. Cell differentiation

D. Cell elongation
1650. Cabbage, cauliflower, broccoli, knol-knol are_____________________?
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A. Solanaceous vegetables

B. Cole crop

C. Leafy vegetables

D. Floral vegetable

1651. In all common wealth countries including Pakistan the basis for food laws being used are________________?
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A. British food laws

B. Arabic food laws

C. Russian food laws

D. American food laws

1652. Papaya fruit is___________________?
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A. All the above

B. Pepo type

C. Berry type

D. Pome type
1653. Okra, green peas, green beans and leafy vegetables are____________________?
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A. Acid foods

B. Medium acid foods

C. Low acid foods

D. High acid foods

1654. Edible seed like almonds, pea cons are known as____________________?
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A. Berries

B. Nuts

C. Sub-tropical fruits

D. None of the above

1655. Which one of the following possesses banana like aroma______________________?
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A. Ethyle buryrate

B. Iso-amylacetate

C. Nerol

D. Diacetyl

1656. Respiratory enzymes in the cell are present in_________________________?
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A. Mitochondria

B. Lysosomes

C. Ribosomes

D. Plastids

1657. Naturally vinegar contain acetic acid____________________?
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A. 5%

B. 2%

C. 8%

D. 4%
1658. Carbohydrates are separated by___________________?
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A. Gas liquid chromatography

B. Flame photometry

C. Infra-red spectrophotometer

D. Paper chromatography

1659. Ascorbic acid deficiency causes________________?
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A. Beriberi

B. Scurvy

C. Night blindness

D. Rickets

1660. The science of rearing honey bee for honey is known as__________________?
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A. Honey culture

B. Sericulture

C. Silvi culture

D. Apiculture