1.

      Column-I (Minerals) Column-II (Functions)A.KI.Stomatal openingB.MoII.Constituent of cell membraneC.PIII.Photolysis of waterD.MnIV.Free ion  V.Component of nitrogenise and nitrate reductase 

A. A-I, IV  B-V  C-II  D-III
B. A-I, V  B-IV  C-III  D-II
C. A-I, V  B-IV  C-II  D-III
D. A-IV  B-I  C-III  D-II, V
Answer» B. A-I, V  B-IV  C-III  D-II


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