Agriculture MCQs

Page No. 177

To protect the face of embankment against the attack of wave wash with stone boulders is called _________________?


aPitching

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bArmouring

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cRevetment

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dAll are correct

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View Answer Pitching

Ground water moving down wards in the un-saturated ground above the water table is called___________________?


aHygroscopic water

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bCapillary water

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cGravity water

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dAll are correct

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View Answer Gravity water

The discharge of a well per unit draw down usually expressed as gallons or liters per minute is called ____________________?


aDischarge

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bSpecific volume

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cSpecific capacity

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dAll are correct

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View Answer Specific capacity

The property of saturated soil mass which transmits appreciable quantities . water is called___________________?


aPorosity

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bTransmissibility

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cPermeability

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dDischarge

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View Answer Permeability

The property of soil which indicates the volume of water stored in the formation is called ___________________?


aSpecific yield

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bPorosity

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cField capacity

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dSpecific retention

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View Answer Porosity

_________% of total global water is fresh and its major portion is obtained from Rains ?


a2%

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b2.5%

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c3%

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d3.2%

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View Answer 2.5%

Estimated quantity of global water is __________which covers about 70% of earth?


a1.30x109km3

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b1.32x109km3

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c1.33x109km3

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d1.35x109km3

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View Answer 1.35x109km3

Wilting point is that limit after that the crop starts feeding up and no water is available for plant, this point occurs after _________________?


a30% water available

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b25% water available

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c20% water available

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dAll are correct

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View Answer 20% water available

Water available above the top of root zone of plants is about 15% of soil moisture contents, is mostly not available to plants celled_________________?


aCapillary water

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bIrrigation water

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cEffective water

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dHygroscopic water

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View Answer Hygroscopic water

Water application efficiency increases if the plot to be irrigated is__________________?


aCircular

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bSquare

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cRectangle

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dAll are correct

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View Answer Rectangle

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