AIPMT MAINS2011Zoology-Reproduction

AIPMT MAINS 2011 Zoology Fertilization MCQ Question

Type: MCQ-conceptual-Medium-Class 12

What happens during fertilisation in humans after many sperms reach close to the ovum?

A

Cells of corona radiata trap all the sperms except one

B

Only two sperms nearest the ovum penetrate zona pellucida

C

Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida

D

All sperms except the one nearest to the ovum lose their tails

Correct Answer

Option C

Detailed Explanation

At the time of fertilisation secretions of acrosome helps one sperm to enter the cytoplasm of ovum through zona pellucida.

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