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    Question

    The Chinese people used ______ for the control of insect

    pests in enclosed spaces and botanical insecticides for seed treatment.
    A bottom ash Correct Answer Incorrect Answer
    B leaf ash Correct Answer Incorrect Answer
    C wood ash Correct Answer Incorrect Answer
    D coal ash Correct Answer Incorrect Answer

    Solution

    Chinese used wood ash for pest control in enclosed spaceswith botanicals viz., pyrethrum for seed treatments. Ash ispredominantly used by farmers in the area for protectingplants.

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