Assertion : Agricultural output increased sev | vedclass

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(A) $DDT$ (dichloro diphenyl trichloroethane) is an organochlorine contact insecticide that acts as a nerve poison. It was first synthesized in $1874$

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If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

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(A) $DDT$ (dichloro diphenyl trichloroethane) is an organochlorine contact insecticide that acts as a nerve poison. It was first synthesized in $1874$ and its insecticidal properties were discovered in $1939$. $DDT$ was indeed used on a wide scale for the first time during World War $II$ to control diseases like typhus and malaria,and subsequently,it was used extensively in agriculture to protect crops from pests,which significantly increased agricultural output. Therefore,both the Assertion and the Reason are correct,and the Reason provides a valid context for the widespread use and subsequent impact of $DDT$ on agricultural productivity.

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

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