Question
Biology Question on Nutrition
A plant requires magnesium for
A
protein synthesis
B
chlorophyll synthesis
C
cell wall development
D
holding cells together.
Answer
chlorophyll synthesis
Explanation
Solution
Magnesium is an important constituent of chlorophyll, found in all green plants and essential for photosynthesis. The chlorophyll molecule has a tetrapyrolic or porphyrin head and a phytol tail. Mg atom is present in the centre of porphyrin head. It is like tennis racket.