Question

All of the following are constituents of chlorophyll molecules, except

• A. Calcium
• B. Carbon
• C. Hydrogen
• D. Magnesium

Answer 1

The correct option is A Calcium

The chlorophyll molecule is the component present in the plants that absorb the energy from the sunlight for the process of photosynthesis. The molecular structure of chlorophyll shows a chlorin ring with four nitrogen atoms surrounded by a central magnesium atom and has several side chains made up of methyl groups.

So, the correct answer is option A.