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    Question

    Carbamate and organophosphate insecticide act on which

    part of insects?
    A Digestive system Correct Answer Incorrect Answer
    B Nervous system Correct Answer Incorrect Answer
    C Respiratory system Correct Answer Incorrect Answer
    D Chitin inhibitors Correct Answer Incorrect Answer
    E Circulatory system Correct Answer Incorrect Answer

    Solution

    Carbamate and organophosphate insecticides act on the nervous system of insects by inhibiting the enzyme acetylcholinesterase. This leads to the accumulation of acetylcholine, causing continuous nerve impulses, paralysis, and eventually the death of the insect.

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