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BHU PMT BHU PMT (Mains) Solved Paper-2006

  • question_answer
    Immediately after ovulation, the mammalian egg is covered by a membrane called as:

    A)  chhorion                            

    B)  corona radiate

    C)  zona pellucida                 

    D)  none of these

    Correct Answer: C

    Solution :

                     Zona peltucida is a thick clear membrane surrounding mammalian egg. It is surrounded by cumulus cells in freshly ovulated egg. But these disperse as the sperms pass between them and penetrate the zona by enzyme action.


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