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NEET AIPMT SOLVED PAPER 1999

  • question_answer
                The canal system is a characteristic feature of:                                                                                      

    A)             echinoderms    

    B)             helminthes            

    C)             coelenterates     

    D)             sponges

    Correct Answer: D

    Solution :

                    Sponges possess an extensive system of interconnected cavities called canal system which typically consists of incurrent canals, radial canals, excurrent canals and spongocoel. The system is useful for nutrition, respiration and excretion.


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