Question

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

• A. Both assertion and reason are true and the reason is the correct explanation for the assertion.
• B. Both the reason and assertion are true but the assertion is not the correct explanation for reason.
• C. Assertion is true but reason is false.
• D. Both the reason and assertion are false

Answer 1

The correct option is B Both the reason and assertion are true but the assertion is not the correct explanation for reason.

Among the sixteen essential plant nutrients nitrogen, phosphorus and potash are the most common nutrients found efficient in Indian soil. Supply of these nutrients to soil artificially through fertilizers is necessary to keep the soil rich in plant nutrients for achieving maximum yield. Irrigation practices are also helpful in enhancing the crop yield. In this way both fertilizers and imigation are equally important for high crop yield.