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NEET Biology Structural Organisation In Animals Question Bank Critical Thinking

  • question_answer
    Contraction of sternohyal muscles during breathing in frog [CBSE PMT 1992]

    A) Closes glottis

    B) Opens the nostrils

    C) Raises floor of oral cavity

    D) Lowers floor of oral cavity

    Correct Answer: D

    Solution :

    Throat is lowered and raised alternatively by sternohyal and petrohyal muscles.


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