Agriculture MCQs

Page No. 177

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


aPitching


bArmouring


cRevetment


dAll are correct


View Answer Pitching

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


aHygroscopic water


bCapillary water


cGravity water


dAll are correct


View Answer Gravity water

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


aDischarge


bSpecific volume


cSpecific capacity


dAll are correct


View Answer Specific capacity

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


aPorosity


bTransmissibility


cPermeability


dDischarge


View Answer Permeability

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


aSpecific yield


bPorosity


cField capacity


dSpecific retention


View Answer Porosity

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


a2%


b2.5%


c3%


d3.2%


View Answer 2.5%

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


a1.30x109km3


b1.32x109km3


c1.33x109km3


d1.35x109km3


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


b25% water available


c20% water available


dAll are correct


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


bIrrigation water


cEffective water


dHygroscopic water


View Answer Hygroscopic water

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


aCircular


bSquare


cRectangle


dAll are correct


View Answer Rectangle

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