Assertion: Magnesium is important in photosynthesis and carbohydrate metabolism.
Reason : `Mg^(+ +)` is involved in the synthesis of nucleic acids

Options

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true, but R is not the correct explanation of A
C. A is true, but R is false
D. A and R are false

Answer

B

Explanation

Magnesium is constituent of chlorophyil molecule, without which, the photosynthesis would not occur. Many of the enzymes involved in carbohydrate metabolism require magnesium as an activator. Magnesium is also an activator for enzymes involved in the synthesis of nucieic acids (DNA, RNA).