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Which of the following statements regarding fertilization is / are correct?
(i) The acrosome is filled with hydrolytic enzymes which help in dissolving the membrane of the ovum at the time of fertilization.
(ii) Vitelline membrane is the first membrane to be faced by sperms while trying to fuse with the ovum.
(iii) There must be synchronicity in the release of ovum and entry of sperm for the formation of zygote.
(iv) The meiotic division of the secondary oocyte is concluded with the entry of male gamete.

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(i), (iii) and (iv)

(i), (ii) and (iv)

(i) and (ii) only

(ii) and (iii) only

answer is C.

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Detailed Solution

Sperm comes in contact with zona pellucida first (not vitelline membrane).

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