Agriculture MCQs

Page No. 160

Water logging and soil salinization is a twin menace which has effected the agriculture sector severely, about _______________ hectares of land are wasted yearly?


a30,000

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b35,000

✖


c40,000

✓


d45,000

✖


View Answer 40,000

A series of vertical steps in a stream made to avoid soil scouring is called ___________________?


aLevees

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bEmbankment

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cCascades

✓


dbanks

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View Answer Cascades

The ratio between the force causing a body to slide along a plane and the force normal to the plane is called __________________?


aCoefficient of friction

✓


bCoefficient of internal friction

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cCoefficient of resistance

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dAll are correct

✖



The science of water which deals with the depletion and replenishment of water resources is called_________________?


aHydrology

✓


bBiology

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cHydrography

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dHistology

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View Answer Hydrology

The maximum rate at which the soil in given condition can absorb water is called ___________________?


aField capacity

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bCapillarity

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cInfiltration capacity

✓


dAll are correct

✖


View Answer Infiltration capacity

The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?


aSoil-moisture deficiency

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bField-moisture deficiency

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cEquivalent-moisture deficiency

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dA and B are correct

✓


View Answer A and B are correct

In the initial stage of rainfall, when soil moisture available in the root zone is very low, the rate of infiltration ?


aIncreases

✓


bReduces

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cRemain stagnant

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dNormal

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View Answer Increases

To be more close to the actual field conditions, some times artificial rain tests conducted, the instrument used is called ___________________?


aInfiltrometer

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bI.C. curve

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cRain simulator

✓


dV hydrometer

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View Answer Rain simulator

During the peak stage of river, there exist an out flow from river into the ground water reservoir, in such case river will be called _________________?


aInffluent stream

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bEffluent stream

✓


cStorm water stream

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dSeepage stream

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View Answer Effluent stream

The water evaporates from paddy surfaces to the atmosphere in the form of water vapours, these water vapours get collected in the atmosphere and behave & like_________________?


aWater

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bSnow

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cIce particles

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dGas

✓


View Answer Gas

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