Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2007

  • question_answer Open circulatory system is observed in

    A)  cockroach          

    B)  frog

    C)  fish                                       

    D)  reptiles

    Correct Answer: A

    Solution :

    The cockroach and other insects and arthropods possess 'open circulatory system of irregular sinuses filled with tissue fluid and blood. Further, there is no haemoglobin and, hence, the blood is not red. That is why, this blood is called haemolymph.

adversite



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