question_answer 38)

  The membranous cover of the ovum at ovulation is (a) corona radiata            (b) zona radiata                                (c) zona pellucida             (d) chorion

Answer:

                  (a)The ovum is enclosed by the inner thin, transparent, non-cellular coat zonapellucidaand outer thick coat corona radiata, During fertilization sperm first comes in contact with the corona radiata and zonapellucida to reach the plasma membrane of the egg(ovum).