Agriculture MCQs

Page No. 30

Buffer solution is a solution which resist change in __________________ ?


apH


bSAP


cEC


dRSC


View Answer pH

DAP fertilizer available in Pakistan contains__________________________?


a18% N & 46% P2O5


b46%N & 18%P2O3


c100%P2O3


d50%P2O3


View Answer 18% N & 46% P2O5

Acid soil contain pH____________________?


a<7


b>7


c>7.0


d8.5


View Answer <7

The factor used for conversion of P to P2O3 is____________________?


a0.453


b0.643


c0.436


dNone of the above


View Answer 0.436

The zorawar is brand name of ___________________?


aTSP


bDAP


cMAP


dNone of the above


View Answer MAP

Microorganisms have C/N ratio of____________________?


a2:1


b4:1


c12:1


d20:1


View Answer 4:1

How much percentage of soils of Pakistan are deficient in P______________________?


a60


b50-70


c80-90


dNone of the above


View Answer 80-90

A soil is categorized as saline when EC of saturation extract is______________________?


a>4dsm-1


b0.4dsm-1


c0.4-4.00 dsm-1


dNone of the above


View Answer >4dsm-1

pH in coniferous forest is__________________?


aLess than 7


bNeutral


cGreater than 7


dBasic


View Answer Less than 7

Ligands that occur in Pakistan soils are__________________?


aOH1 HCO2


bSO4-2 OH


cCO3-2 SO4-2


dAll of the above


View Answer All of the above

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