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After being released the secondary oocyte must be fertilized within:

1. 1 hour.

2. 12 hours.

3. 24 hours.

4. 72 hours.

Subtopic: Fertilization |

57%

Level 3: 35%-60%

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Capacitation occurs in
1. rete testis
2. epididymis
3. vas deferens
4. female reproductive tract

Subtopic: Fertilization |

81%

Level 1: 80%+

Please attempt this question first.

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Please attempt this question first.

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

1.	Only two sperms nearest the ovum penetrate zona pellucida
2.	Secretions of acrosome help one sperm enter the cytoplasm of the ovum through zona pellucida
3.	All sperms except the one nearest to the ovum lose their tails
4.	Cells of corona radiata trap all the sperms except one

Subtopic: Fertilization |

84%

Level 1: 80%+

AIPMT - 2011

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