Question

    Which of the following substances is not classified as

    an insect growth regulator (IGR)?
    A Synthetic pyrethroid Correct Answer Incorrect Answer
    B Juvenile hormone analogue Correct Answer Incorrect Answer
    C Chitin inhibitor Correct Answer Incorrect Answer
    D Ecdysteroid Correct Answer Incorrect Answer
    E Methoprene Correct Answer Incorrect Answer

    Solution

    Synthetic pyrethroids are neurotoxic insecticides, not IGRs. The others influence insect development processes like molting and growth.

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