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Question

Parathion is a pesticide. In which one of the following categories it belongs?

A
Organochlorine
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B
Synthetic pyrethroids
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C
Carbamate
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D
Organophosphate
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Solution

The correct option is D Organophosphate
  • Organophosphate (OP) compounds are the widely used insecticides. These are carcinogenic.
  • They are all derived from phosphoric acid. They are generally among the most acutely toxic of all pesticides to vertebrate animals.
  • Commonly used organophosphates are Parathion, Malathion, Methyl Parathion, Diazinon, Phosmet, Tetrachlorvinphos, Azamethiphos.
  • Parathion is the first organophosphate that is commercialized.
  • It is much more toxic than malathion. It is unstable and hence breaks down quickly in the environment.
Thus, the correct answer is option D.

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