| Column-I (Minerals) | Column-II (Functions) | ||
| A. | K | I. | Stomatal opening |
| B. | Mo | II. | Constituent of cell membrane |
| C. | P | III. | Photolysis of water |
| D. | Mn | IV. | 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
Correct Answer: A
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