Agriculture MCQs

Page No. 153

Critical factors for crop production is________________?


aLand

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bWater

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cPure seed

✓


dFertilizer

✖


View Answer Pure seed

Crop rotation means growing_________________?


aSame crops

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bGrowing green manures

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cGrowing different crops

✓


dGrowing fodder crops

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Plants which grow on dry region are____________________?


aXerophytes

✓


bThermophytes

✖


cHydrophytes

✖


dHalophytes

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View Answer Xerophytes

Allclopatluc interactions in general and the allelochemicals in particular are viewed as an important tool for_______________?


aPest and insect management

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bDisease and pest management

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cWeed and pest management

✓


dNone of these

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Allelopathy is an important component in the development of future integrated strategies for____________?


aSoil management

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bWeed management

✓


cWater management

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dNone of these

✖


View Answer Weed management

Annual rye grass releases a chemical through its root that prevents________________?


aCrop seeds

✖


bWeed seeds

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cBoth A and B

✓


dNone of these

✖


View Answer Both A and B

Effects of allelopathic compound in the life cycle of plants cause inhibition of________________?


aseed deterioration

✖


bseed germination

✓


cseed swelling

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dNone of these

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View Answer seed germination

Raising of only one crop in a year, when there is seasonal supply of water is called______________?


aMonocropping

✓


bMonoculture

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cSpecialized farming

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dIntensive cropping

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View Answer Monocropping

Root rot of cotton is a_________________?


aBacterial disease

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bViral disease

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cFungal disease

✓


dNone of the above

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View Answer Fungal disease

Sex pheromones traps are used for the pest of__________________?


aPink boll worm

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bAmerican boll worm

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cBoth A and B

✓


dNone of the above

✖


View Answer Both A and B

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