Agriculture MCQs

Page No. 150

Low soil pH is the indication of_______________?


aHigh Mg and Ca

✓


bHigh N and S

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cLow N and Ca

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dModerate Mg and Ca

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View Answer High Mg and Ca

The K is predominantly in______________?


aLeaves

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bStraw

✓


cGrain

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dAll of the above

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View Answer Straw

In Pakistan the area effected due to water erosion is about_________________?


a12 millionton

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b13.05 million lia

✓


c22 million ha

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d15 million iva

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View Answer 13.05 million lia

In Pakistan, the total length of canal system exceeds________________?


a59000 Km

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b52000 Km

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c58000 Km

✓


d60000 Km

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View Answer 58000 Km

Number of crops grown on the same piece of land in a year and expressed in percentage is known as_______________?


aCrop rotation

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bCropping index

✓


cCropping pattern

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dCropping intensity

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View Answer Cropping index

The transport of a substance across a biological membrane against a concentration gradient is called___________________?


aPassive transport

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bActive transport

✓


cAbsorption

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dDissolution

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View Answer Active transport

A method of control of pests in which natural predators and parasites are used without causing serious adverse environmental side effects is called_________________?


aIPM

✓


bAllelopathy

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cInsect control

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dChemical control

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View Answer IPM

Use of tetrazolium staining for assessment of seed quality was suggested by________________?


aWoodstock (1973)

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bMoore (1973)

✓


cMaguire (1962)

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dGerm (1950)

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View Answer Moore (1973)

Water courses are lined to avoid_________________?


aTranspiration

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bEvaporation

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cSeepage

✓


dErosion

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View Answer Seepage

The herb plants have___________________?


aWoody stem

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bNon-woody stem

✓


cTrunk

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dAll of the above

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View Answer Non-woody stem

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