Which one is the major constituent of proteins, nucleic acids, vitamins and hormones?

Options

A. (a) P
B. (b) N
C. (c) K
D. (d) S

Answer

B

Explanation

Nitrogen is the constituent of proteins, protoplasm, nucleic acids, vitamins, hormones, etc. Nitrogen is required by all parts of a plant, particularly the meristematic tissues and the metabolically active cells.