Agriculture MCQs

Page No. 35

The available from of nitrogen for plant is________________?


aNO3

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bNH4

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cBoth A and B

✓


dNone of the above

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View Answer Both A and B

A soil is classified as sodic soil when______________________?


aEC is 8.5

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bSAR is >13

✓


call the above

✖


dNone of the above

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View Answer SAR is >13

Identify the fertilizer (s) containing potassium____________________?


aSOP

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bMOP

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cChilean salt peter

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dAll of the above

✓


View Answer All of the above

pH of Pakistani soils is____________________?


a7.5

✓


b12

✖


c7

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d14

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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

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cComplex ion

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dAll of the above

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View Answer Chelate

Vertical movement of water was studied by_________________?


aZiebig

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bDarcy

✓


cKohler

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dNiel

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View Answer Darcy

Gravimetric water is present in______________________?


aMicro pores

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bMacro pores

✓


cMeso pores

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dNone of the above

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View Answer Macro pores

Permanent change in soil is due to__________________?


aIonic bonding

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bpH change

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cCovalent bonding

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dIsomorphic substitution

✓



Which element can be fixed by smecitite___________________?


aMgº

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bKº

✓


cNH2

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dboth B & C

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View Answer Kº

Slipperiness is due to__________________?


aCovalent bond

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bVander walls forces

✓


cWire bond

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dNone of the above

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View Answer Vander walls forces

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