agriculture MCQs – Page 34

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 Review each marked answer and report any item that may be outdated or unclear.

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
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

1681. In green vegetables, the limiting amino acid is____________________?
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A. Agrginine

B. Methionine

C. Lysine

D. Frytophaer

1682. Commercial grape cultivation is called__________________?
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A. Viticulture

B. Cirticulture

C. Sericulture

D. Olericulture

1683. In orange aroma is developed by__________________?
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A. Degreening

B. Citral

C. Valencene

D. Ethylene

1684. The fruit plants resisting acidic condition is______________________?
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A. Mango

B. Chiku

C. Datepalm

D. Banana

1685. In plants when glucose is more than its requirement the surplus is converted into____________________?
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A. Glycogen

B. Sucrose

C. Starch

D. None of the above

1686. The science which deals with food supply, for human consumption is called_____________________?
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A. Nutritive food

B. Food science

C. Food process

D. Food technology
1687. Plant parts useful for extraction of opium from papaver saminiferaim are__________________?
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A. Young seedings

B. Old leaves

C. Unripe fruit

D. Ripened fruit

1688. Lemon plant is commercially propagated by____________________?
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A. Layering

B. Grafting

C. Budding

D. seed
1689. Cereals are fermented to produce_____________________?
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A. Bread

B. Chapati

C. Coffee

D. Season ting

1690. Who was the father of canning ______________________?
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A. Tomas

B. Newton

C. Gay-Lussac

D. Nicolas Appert
1691. Out door production of vegetables, out of their normal season is known as______________________?
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A. Out season production

B. vegetable improvement

C. vegetable forcing

D. None of the above

1692. Liquid food drinking is_____________________?
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A. None of the above

B. Imbibitions

C. Pinoeytosis

D. Phagocytosis

1693. Excess of nitrogen_____________________?
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A. Delays flowering

B. Delays tillering

C. Delays germination

D. Delays ripening
1694. which is multipurpose tree___________________?
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A. Mango

B. Cedar

C. Kikar

D. Pine

1695. In apple wool aphid is genetically controlled by___________________?
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A. Id

B. ID

C. 2d

D. 2 D

1696. Common varieties of rose are developed by___________________?
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A. Budding

B. Grafting

C. Cutting

D. Layering

1697. Which one of the following is dioceous plant___________________?
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A. Maize

B. Datepalm

C. Papaya

D. All the above

1698. The recommended plant to plant space for chiku is __________________?
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A. 50 x 50 ft

B. 100 x 100 ft

C. 20 x 20 ft

D. 35 x 35 ft

1699. Loss off leaves due to seasonal change is_________________?
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A. Leeward

B. None of the above

C. Defoliation

D. Malformation

1700. The storage life of fresh onion at -1 to -4C is____________________?
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A. 12-25 weeks

B. 10-25 weeks

C. 10-15 weeks

D. 12-28 weeks