Agriculture MCQs

Page No. 28

Corrositivity of water is an indication of___________________?


aSalinity


bProperty of polluted material


cBoth A and B


dNone of the above


View Answer Both A and B

The earth core is made of the following metals ______________________?


aFe & Ni


bMg & Ni


cCu & Ni


dNone of the above


View Answer Fe & Ni

Equation of Ozone is________________________?


aO2 + O =O3


bO3+O


cO2O


dNone of the above


View Answer O2 + O =O3

Mean annual precipitation for tundra region is ____________________?


a70-80 cm


b50-70 cm


c0-50 cm


dNone of the above


View Answer 0-50 cm

Formula used for the calculation of sodium absorption ratio is______________________?


aSAR=Na / [(Ca+Mg)1/2] Na x 2


bSAR=Na / CEC x 100


cSAR=Na / CEC x 100


dNone of the above



The moisture content below which a cohesive soil does stick to metal tools is known as______________________?


aLiquid limit


bPlastic limit


cSticky limit


dAlter berg limit


View Answer Sticky limit

The symbol of Na stands for___________________?


aNickel


bNatrium


cNeon


dNone of the above


View Answer Natrium

pF unit is used for the measurement of_____________________?


aHydraulic potential


bHydraulic conductivity


cNegative soil water potential


dAll of the above



A soil with an ESP greater than 15 is usually classified as___________________?


aSodic soil


bSaline soil


cAcidic soil


dNone of the above


View Answer Sodic soil

Solution containing molecular weight of a substance in gram per liter of a solution is known as______________________?


aNormal


bMolal


cMolar


dNone of the above


View Answer Molar

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