Assertion : Use of fertilizers greatly enhances crop productivity
Reason : Irrigation is very important in increasing crop productivity.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

B

Explanation

Fertilizers build up soil fertility in order to satisfy the demand for crops thus increases crop productivity.
Irrigation maintains moisture in the soil. Moisture is necessary for germination of seeds thus increase crop productivity.