MCQOPTIONS
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| 1. |
Mg and Fe are required by the plants for the |
| A. | Energy transfer concerned with photosynthesis |
| B. | Synthesis of chlorophyll pigments in leaves |
| C. | Mechanism of stomatal opening and closing |
| D. | Translocation of carbohydrates from the leaf to the stem |
| Answer» C. Mechanism of stomatal opening and closing | |