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(D) The mode of action of pesticides varies significantly based on their chemical structure and target site.$DDT$ is an organochlorine that acts by ke

Vedclass · Accepted Answer

None of these

Vedclass · Answer

(D) The mode of action of pesticides varies significantly based on their chemical structure and target site.$DDT$ is an organochlorine that acts by keeping sodium channels open in nerve cells,leading to repetitive firing.Organophosphates and carbamates,on the other hand,share a similar mode of action: they both act as acetylcholinesterase inhibitors.By inhibiting the enzyme acetylcholinesterase,they prevent the breakdown of the neurotransmitter acetylcholine,leading to overstimulation of the nervous system.Since none of the provided pairs ($A$,$B$,$C$) correctly represent groups with identical modes of action (as organochlorines and organophosphates have distinct mechanisms),the correct answer is $D$.

The mode of action of pesticides is similar in which of the following groups?

Similar Questions

Choose the correct option regarding agrochemicals.

Mostly pesticides are:

Which of the following is a carbamate pesticide?

Which of the following pesticides have a similar mode of action?

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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