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NEET NEET SOLVED PAPER 2015 (Re)

  • question_answer
    Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum                                                                                     

    A)  Coelenterata   

    B)  Porifera              

    C)         Mollusca            

    D)         Protozoa

    Correct Answer: B

    Solution :

    In Porifera (sponges), bodies are asymetrical. Body lacks tissue or organs, but from a meshwork of cells surrounding channels that open to the outside through pores, and that expand into internal cavities lined with food filtering flagellated cells (choanocytes).


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