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    In which order of insects is the peritrophic membrane not found?
    Question

    In which order of insects is the peritrophic membrane not found?

    A.

    Collembola

    B.

    Hemiptera

    C.

    Homoptera

    D.

    Coleoptera

    E.

    Diptera

    Correct option is B

    The peritrophic membrane, a protective lining in the gut of many insects, is not found in Hemiptera as they have piercing-sucking mouthparts that feed directly on plant or animal fluids.

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