Question

Basic elements of life are
(a) C, H, O, N (b) C, P, H, S
(c) H, O, N, S (d) P, C, O, N

Answer 1

Answer:

Basic elements of life are

(a) C, H, O, N

(b) C, P, H, S

(c) H, O, N, S

(d) P, C, O, N✔✔

The P,C,O,N stands for: Phosphorus, Carbon, Oxygen and Nitrogen

They are all found in abundance in the human body, as well as in the animals.

Answer 2

The correct answer is a) C, H, O, N

Explanation:

According to scientific research carbon, hydrogen, oxygen and nitrogen make 96% of the human body. These compounds act as a base for the formation of all biochemical molecules. Biochemical molecules are the organic compounds that contribute in all of the living process e.g. carbohydrates whose molecular formula is C6H12O6. All of these elements are unique according to their function but together they are essentials for the living beings.