Agriculture MCQs

Page No. 150

Low soil pH is the indication of_______________?


aHigh Mg and Ca


bHigh N and S


cLow N and Ca


dModerate Mg and Ca


View Answer High Mg and Ca

The K is predominantly in______________?


aLeaves


bStraw


cGrain


dAll of the above


View Answer Straw

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


a12 millionton


b13.05 million lia


c22 million ha


d15 million iva


View Answer 13.05 million lia

In Pakistan, the total length of canal system exceeds________________?


a59000 Km


b52000 Km


c58000 Km


d60000 Km


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


bCropping index


cCropping pattern


dCropping intensity


View Answer Cropping index

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


aPassive transport


bActive transport


cAbsorption


dDissolution


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


cInsect control


dChemical control


View Answer IPM

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


aWoodstock (1973)


bMoore (1973)


cMaguire (1962)


dGerm (1950)


View Answer Moore (1973)

Water courses are lined to avoid_________________?


aTranspiration


bEvaporation


cSeepage


dErosion


View Answer Seepage

The herb plants have___________________?


aWoody stem


bNon-woody stem


cTrunk


dAll of the above


View Answer Non-woody stem

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