- 1(current)
Q. No.After being released the secondary oocyte must be fertilized within:
1. 1 hour.
2. 12 hours.
3. 24 hours.
4. 72 hours.
Subtopic: Â Fertilization |
 57%
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Subtopic: Â Fertilization |
 81%
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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: Â Fertilization |
 83%
From NCERT
AIPMT - 2011
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Q. No.
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