agriculture MCQs – Page 135

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 Review each marked answer and report any item that may be outdated or unclear.

2681. Which one of the following produces silk?
comments icon0

A. Dysdercus koenigi

B. Bombyx mori

C. Both a & b

D. None of the above

2682. Drying capacity of oil depends upon _________?
comments icon0
A. Iodine %

B. %age of erusic acid

C. Saponification

D. Carbon chain length

2683. Term forest is derived from: ___________?
comments icon0

A. None of the above

B. French word

C. Latin word

D. English word

2684. Which of the following is not known as grass family?
comments icon0

A. Palmaceae

B. Liliaceae

C. Cypraceae

D. None of the above
2685. Colour blindness is a________?
comments icon0

A. S*x limited trait

B. None of above

C. S*x linked trait

D. S*x influenced trait

2686. What civil engineers called soil?
comments icon0

A. Soil

B. Earth

C. ragmented rock

D. Land

2687. Maize can grow very well in the soils pH ranging from:__________?
comments icon0

A. None of these

B. 3.5-4.5

C. 5.5-7.5

D. 6-8.5

2688. Volcanic soils:
comments icon0

A. Gelisols

B. None of the above

C. Aridisols

D. Endsols

2689. The oil content in sunflower is________?
comments icon0
A. 25-35%

B. 35-40%

C. 45-55%

D. 50-60%

2690. Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:
comments icon0

A. Soil amendment

B. Soil conditioner

C. Both a & b

D. None of the above

2691. The leaf without petiole is referred as__________?
comments icon0

A. Sessile

B. Stipulate

C. Petiolate

D. Pilose

2692. Moderately toxic compound:_________?
comments icon0

A. Nickle

B. Fluorine

C. Lead

D. All of the above
2693. In spermatogenesis, each spermatogonium increases in size to form a __________?
comments icon0

A. Primary oocyte

B. Spermatozoa

C. Spermatid

D. Spermatocyte
2694. Soil-forming minerals occurring in rocks do not contain any water, they undergo ______________ when exposed to humid conditions & break down as in chemical weathering process:
comments icon0

A. Dissolution

B. Carbonation

C. Hydration

D. Acidification

2695. Which one is most dangerous insect of cotton crop?
comments icon0

A. Spotted holl worm

B. Jassids

C. Both a & b

D. Pink ball worm
2696. Maximum fixation of K occurs:__________?
comments icon0
A. 2:1 clay mineral

B. 2:2 clay mineral

C. 1:1 clay mineral

D. 1:2 clay mineral

2697. The ray florets of sunflower is usually?
comments icon0

A. Sterile

B. Bisexual

C. Pistillate

D. Staminate

2698. Hymenoptera are almost_______ long.
comments icon0

A. 0.02 mm

B. 0.3 mm

C. 0.2 mm

D. 0.03 mm

2699. Who said that sports are of no significance in evolution?
comments icon0

A. Vavilov

B. Dobzhansky

C. Joseph Kolreuter

D. Darwin
2700. The rice inflorescence is called_________?
comments icon0

A. Cob

B. Ear

C. Arrow

D. Panicle