Question

Choose the correct answer from the alternatives given.
$M{g}^{++}$ and $F{e}^{++}$ are needed by plants for:

• A. stomatal movement
• B. energy transfer
• C. chlorophyll synthesis
• D. carbohydrate translocation

Answer 1

The correct option is C chlorophyll synthesis

Usually, Fe and Mg are part of the chlorophyll of the plants, especially porphyrin rings( five carbon rings) in a chlorophyll structure where Mg occupies the central position.

So the correct answer is "chlorophyll synthesis".