- 1(current)
Q. No.Receptors for sperm binding in mammals are present on:
| 1. | Perivitelline space | 2. | Zona pellucida |
| 3. | Corona Radiata | 4. | Vitelline membrane |
Subtopic: Â Fertilization |
 81%
NEET - 2021
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Extrusion of the second polar body from the egg nucleus occurs:
1. simultaneously with the first cleavage
2. after entry of sperm but before fertilization
3. after fertilization
4. before entry of sperm into the ovum
Subtopic: Â Fertilization: Part 1 |Â Fertilization |
 70%
From NCERT
NEET - 2019
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Capacitation occurs in:
1. Epididymis
2. Vas deference
3. Female reproductive tract
4. Rete testis
Subtopic: Â Fertilization: Part 1 |Â Fertilization |
 79%
NEET - 2017
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Fertilisation in humans is practically feasible only if?
| 1. | the ovum and sperms are transported simultaneously to the ampullary-isthmic junction of the fallopian tube |
| 2. | the ovum and sperms are transported simultaneously to the ampullary-isthmic junction of the cervix |
| 3. | the sperms are transported into the cervix within 48 hrs of the release of the ovum in the uterus |
| 4. | the sperms are transported into the vagina just after the release of the ovum in the fallopian tube |
Subtopic: Â Fertilization: Part 1 |Â Fertilization: Part 2 |Â Fertilization |
 88%
From NCERT
NEET - 2016
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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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Which one of the following is the most likely root cause of why menstruation is not taking place in regularly cycling human female?
| 1. | Fertilization of the ovum |
| 2. | Maintenance of the hypertrophical endometrial lining |
| 3. | Maintenance of high concentration of sex-hormones in the blood stream |
| 4. | Retention of well-developed corpus luteum |
Subtopic: Â Fertilization: Part 1 |Â Fertilization: Part 2 |Â Fertilization |
 70%
From NCERT
AIPMT - 2009
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- 1(current)
Q. No.
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