agriculture MCQs – Page 84

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 Review each marked answer and report any item that may be outdated or unclear.

1661. The practice of raising trees is called__________________?
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A. Forestry

B. range forestry

C. Agro forestry

D. Sericulture

1662. Plants having monoecious flower are_____________________?
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A. Maize

B. All the above

C. Colocasia

D. Castor

1663. The storage life of fresh mango at -1 to 4c is_________________________?
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A. 0-4 weeks

B. 2-4 weeks

C. 1-2 weeks

D. 1-4 weeks

1664. major source of sugar in world is________________?
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A. Beet roots

B. Sugar cane

C. Watermelons

D. Dates

1665. 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. Gas storage

C. Hypo baric storage

D. Ca storage

1666. The size of stomata is measured by___________________?
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A. Atomic absorption Spectrophotometer

B. Spectrophotometer

C. Porometer

D. Potometer

1667. The activity of enzymes in fruits usually decline at temperature___________________?
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A. Above 30C

B. None of the above

C. Above 10C

D. Above 20C

1668. System for planting banana suckers followed in Sindh is __________________?
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A. Rectangular

B. Diagonal

C. Hexagonal

D. Square
1669. BHA and BHT are examples of_____________________?
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A. Antimicrobial agents

B. Antioxidants

C. Anti sprouting

D. Anti ripening agent

1670. Roma is variety of ___________________?
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A. Guar

B. Tomato

C. Raddish

D. Onion

1671. which one of the following is climacteric fruit_____________________?
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A. Banana

B. Lemon

C. Pineapple

D. Grape

1672. Witting and shriveling of fruits is prevented by the use of_________________?
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A. Waxing

B. 2,4-D

C. None of the above

D. Ethylene

1673. Sericulture deals with__________________?
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A. Silk worm

B. Honey bees

C. Fisheries

D. Forest trees

1674. fumerase is an example of_____________________?
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A. Ligase enzyme

B. Lysose enzyme

C. Isomerases enzyme

D. Hydrolase enzyme

1675. The food in onion is stored in___________________?
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A. Roots

B. stems

C. Flowers

D. Scaly leaves
1676. The influence of light on flowering in plant is____________________?
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A. Photolysis

B. Phototropism

C. Photoperiodism

D. Photosynthesis

1677. What is topping _________________?
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A. Removal of roots

B. none of the above

C. Removal of branches

D. Removal of leaves

1678. Poncirus sweet orange is the hybrid cross of_________________?
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A. Limequats

B. Tangelos

C. Citranges

D. All the above

1679. The pigment present in tomato is___________________?
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A. Lycopene

B. B-carotene

C. Xanthophyll

D. Chlorophyll

1680. From which part of coconut tree coir is obtained___________________?
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A. Endosperm

B. Pericarp of fruit

C. Inflorescence

D. Mesocarp