Nitrogen is an important constituents of

A. Polyphosphates

B. Proteins

C. Carbohydrates

D. Lipids

Answer: Option B

Solution(By Examveda Team)

Nitrogen is an important constituent of Proteins.
Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals.
The building blocks of proteins are amino acids, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.