Assertion :Agricultural output increased several times after introduction of DDT. Reason: DDT was the first insecticide use on a wide scale.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is ncorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The majority of the yield in olden times was damaged by pests and insects. DDT was used for the first time on a wide scale. It is an insecticide and it kills or resists the insects. Thus the crops were not damaged due to DDT and the output increased.
So, the correct option is 'Both assertion and reason are correct and reason is the correct explanation for assertion'.

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