- 1(current)
Q. No.Fertilization is the
| 1. | storage of nutrients for the offspring. |
| 2. | union of an egg and a sperm. |
| 3. | process by which a gamete is formed. |
| 4. | division of cells during development. |
Subtopic: Fertilization |
89%
From NCERT
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In human females, meiosis-II is not completed until?
| 1. | Puberty | 2. | Fertilization |
| 3. | Uterine implantation | 4. | Birth |
Subtopic: Fertilization |
85%
From NCERT
NEET - 2015
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Receptors for sperm binding in mammals are present on:
| 1. | Perivitelline space | 2. | Zona pellucida |
| 3. | Corona Radiata | 4. | Vitelline membrane |
Subtopic: Fertilization |
82%
From NCERT
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: Fertilization: Part 1 | Fertilization |
71%
From NCERT
NEET - 2019
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Identify the incorrectly matched pair:
1. Only I and III
2. Only II
3. Only III
4. Only I and II
| I: | The embryo’s heart is formed | After one month of pregnancy |
| II: | Limbs and external genital organs are well-developed |
By the end of the second month of pregnancy |
| III: | First movements of the foetus | During the fifth month |
1. Only I and III
2. Only II
3. Only III
4. Only I and II
Subtopic: Fertilization | Implantation |
71%
From NCERT
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Consider the given two statements:
| Assertion (A): | During pregnancy all events of the menstrual cycle stop and there is no menstruation. |
| Reason (R): | In the absence of fertilisation, the corpus luteum degenerates. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True and (R) correctly explains (A). |
| 4. | (A) is False but (R) is True. |
Subtopic: Fertilization |
82%
From NCERT
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