Consider the following statements: Nitrogen is an essential constituent of
soils
animals
plants Which of the statements given above is/are correct ?
(a) 3 only
(b) 1 and 3 only
(c) 1 and 2 only
(d) 1, 2 and 3
The correct option is: (c) 1 and 2 only
Explanation:
Nitrogen is a essential constituent of all vegetables and animal proteins. Soil contains nitrogen as ammonium salts.
