agriculture MCQs – Page 27

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 Review each marked answer and report any item that may be outdated or unclear.

521. An aquifer in which water contained under high pressure as the aquifer is sand witched between two impervious layer is called___________________?
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A. All are correct

B. Un-confined aquifer

C. Confined aquifer

D. No-Artesian aquifer

522. The process of consolidation of stabilized earth work in canal or river embankments. In this process the soil is deposited in layers of specified thickness and at a particular moisture content is called __________________?
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A. Soil stabilization

B. All are correct

C. Densification

D. Compaction

523. Cotesia flavipers is endo larval parasite of_________________?
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A. Sugarcane black borer

B. Sugarcane stem borer

C. Sugarcane top borer

D. Sugarcane root borer

524. Workers of honey bees have number of chromosome_______________?
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A. Triploid

B. None of above

C. Haploid

D. Diploid

525. Function of endo cuticle is________________________?
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A. Rigidity of body parts

B. Extensiblity of integument and flexibility

C. Prevent evaporation

D. Impermeability of water

526. Metalegs of worker honey bee is _____________________?
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A. Silk secreting

B. Cursorial

C. Antenna cleaner

D. Pollen collecting

527. The delta the total water requirement of crop from the time of sowing to harvesting the delta of sugarcane is __________________?
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A. 100cm

B. 120cm

C. 70cm

D. 80cm

528. The pest which damages the crop and causes a loss in quality or quantity which can be calculated such pest is called_______________?
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A. Sub economic pest

B. Economic pest

C. Insect pest

D. Pest

529. A poison produced by a plant, animal or organisms is called____________________?
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A. Toxicant

B. Toxin

C. Neurotoxin

D. None of the Above

530. The chemical used for controlling fish is called__________________?
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A. VICIDE

B. herbicide

C. Ovicide

D. Pesticide
531. Chemical added to pesticide to increase its activity is called________________?
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A. Adjuvant

B. Synergism

C. Agitation

D. Activator
532. Proventriculus also called as___________________?
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A. Gizzard

B. Esophagus

C. Pharynx

D. Crop

533. Queen and drones have_______________number of chromosome ?
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A. Triploid

B. Diploid

C. None of above

D. Haploid
534. _________% of total global water is fresh and its major portion is obtained from Rains ?
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A. 2%

B. 3%

C. 3.20%

D. 2.5%
535. Estimated quantity of global water is __________which covers about 70% of earth?
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A. 1.32x109km3

B. 1.33x109km3

C. 1.30x109km3

D. 1.35x109km3
536. Insect that parasitic other insects are called_________________?
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A. Entomophagous parasites

B. Zoophagous parasites

C. Phytophagous parasites

D. non of theses

537. From a water fall, if water is falling down at the rate of 100 N/sec: on the blades of a turbine when the height of fall is 100 m the power delivered to turbine will be______________?
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A. 5000 kw

B. 10,000 kw

C. 1000 kw

D. 100 kw

538. The parasite which are capable of developing upon a few closely related host species is called_______________?
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A. Transitory parasites

B. Oligophagous parasites

C. Facultative parasites

D. Polyhagous parasites

539. A dose of a toxicant that kills 50% of the exposed organism is called_________________?
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A. LD<sub>75</sub>

B. LC<sub>50</sub>

C. None of the Above

D. LD50
540. The parasites which capable of parasitizing a considerable number of host species is called____________________?
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A. Transitory parasites

B. Polyhagous parasites

C. Facultative parasites

D. oligophagous parasites