Agriculture MCQs

Page No. 35

The available from of nitrogen for plant is________________?


aNO3


bNH4


cBoth A and B


dNone of the above


View Answer Both A and B

A soil is classified as sodic soil when______________________?


aEC is 8.5


bSAR is >13


call the above


dNone of the above


View Answer SAR is >13

Identify the fertilizer (s) containing potassium____________________?


aSOP


bMOP


cChilean salt peter


dAll of the above


View Answer All of the above

pH of Pakistani soils is____________________?


a7.5


b12


c7


d14


View Answer 7.5

When two or more functional groups of single ligand are coordinated to metal cation the complex is termed as___________________?


aChelate


bSolution complex


cComplex ion


dAll of the above


View Answer Chelate

Vertical movement of water was studied by_________________?


aZiebig


bDarcy


cKohler


dNiel


View Answer Darcy

Gravimetric water is present in______________________?


aMicro pores


bMacro pores


cMeso pores


dNone of the above


View Answer Macro pores

Permanent change in soil is due to__________________?


aIonic bonding


bpH change


cCovalent bonding


dIsomorphic substitution



Which element can be fixed by smecitite___________________?


aMgº


b


cNH2


dboth B & C


View Answer

Slipperiness is due to__________________?


aCovalent bond


bVander walls forces


cWire bond


dNone of the above


View Answer Vander walls forces

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