(A) $DDT$ (Dichlorodiphenyltrichloroethane) was the first synthetic insecticide used on a wide scale. It effectively kills various pests and caterpill

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(A) $DDT$ (Dichlorodiphenyltrichloroethane) was the first synthetic insecticide used on a wide scale. It effectively kills various pests and caterpillars that feed on crops,thereby preventing significant crop damage. By reducing pest-related losses,it significantly increased agricultural productivity during its initial period of use.

Class 12 Biology Biotechnology and its Application Biotechnological Applications in Agriculture

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Agriculture production increased several times after the introduction of $DDT$.

A
True
B
False
C
D

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Agriculture production increased several times after the introduction of $DDT$.

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Which of the following is very expensive?

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Assertion : Insect resistant transgenic cotton has been produced by inserting $Bt$ gene.
Reason : The $Bt$ gene is derived from a bacterium.