agriculture MCQs – Page 224

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 Review each marked answer and report any item that may be outdated or unclear.

4461. Suri is the variety of__________ ?
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A. Cherry

B. Non of the above

C. Olive

D. Mango

4462. Carbohydrates are separated by___________________?
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A. Infra-red spectrophotometer

B. Paper chromatography

C. Gas liquid chromatography

D. Flame photometry

4463. which one of the following is climacteric fruit_____________________?
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A. Banana

B. Pineapple

C. Grape

D. Lemon

4464. Anti-oxidants is used to prevent food from___________________?
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A. non of these

B. Over npening

C. Juice flow

D. Discoloration

4465. The science of rearing honey bee for honey is known as__________________?
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A. Honey culture

B. Sericulture

C. Apiculture

D. Silvi culture

4466. Tomato is a _________________________?
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A. Long day plant

B. None of the above

C. Day-neutral plant

D. Short day plant

4467. Production of silk is termed as ____________________?
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A. silvi culture

B. sericulture

C. Apiculture

D. None of the above

4468. A paranchy matous outer growth in the minor wall of the ovary to which the ovules are attached is called ___________________?
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A. Ovule

B. Cambium

C. Ovary

D. Placenta
4469. The pigment present in tomato is___________________?
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A. B-carotene

B. Xanthophyll

C. Chlorophyll

D. Lycopene
4470. The fruit whose pericarp does not split open at maturity are called___________________?
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A. Dehiscent fruit

B. None of the above

C. Sehizo fruit

D. Indehiscent fruit
4471. When seed leaves the fruit or flower is called__________?
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A. Dormancy

B. None of these

C. Quiescent.

D. Dissemination
4472. which one of the following fruit is perishable________________________?
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A. Mango

B. Grapes

C. Banana

D. Cherry

4473. R1 to R6 genes against late blight of potato was reported by_____________________________?
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A. Biffen (1905)

B. Flor (1956)

C. Painter (1951)

D. Van der plank (1963)

4474. The activity of enzymes in fruits usually decline at temperature___________________?
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A. Above 10C

B. Above 30C

C. Above 20C

D. None of the above

4475. Lemon plant is commercially propagated by____________________?
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A. Layering

B. Budding

C. Grafting

D. seed
4476. Plant parts useful for extraction of opium from papaver saminiferaim are__________________?
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A. Ripened fruit

B. Unripe fruit

C. Young seedings

D. Old leaves

4477. Ripening fruits soften due to___________________?
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A. Incorporation of pectate in middle lamella

B. Soubulization of pectate of middle lamelle

C. Jelly formation at acidic pH

D. Conversion of starch in sugar

4478. The chromoplast develops mainly from__________________?
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A. Leucoplast

B. Amyloplast

C. Phagoplast

D. Chloroplast
4479. Fruits ripen better at a relative humidity of at least________________________?
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A. 70%

B. 80%

C. 90%

D. 85%

4480. The message of jasmine is_______________?
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A. Peace

B. Love

C. Friendship

D. All the above