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Haryana PMT Haryana PMT Solved Paper-2006

  • question_answer
    Chitin as exoskeleton found in :

    A)  Periplaneta       

    B)  Ascaris

    C)  Pheretima         

    D)  Hydra

    Correct Answer: A

    Solution :

    A thick and strong chitinous cuticle covers the whole body of cockroach as an exoskeleton.


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