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Q. No.Select the correct option of haploid cells from the following groups :
| 1. | Primary oocyte, Secondary oocyte, Spermatid |
| 2. | Secondary spermatocyte, First polar body, Ovum |
| 3. | Spermatogonia, Primary spermatocyte, Spermatid |
| 4. | Primary spermatocyte, Secondary spermatocyte, Second polar body |
Subtopic: Seminiferous Tubules & Spermatogenesis | oogenesis |
74%
Level 2: 60%+
NEET - 2020
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A fluid-filled cavity called as ‘antrum’ is characteristically seen in a :
| 1. | Secondary follicle | 2. | Tertiary follicle |
| 3. | Morula | 4. | Blastocyst |
Subtopic: oogenesis |
88%
Level 1: 80%+
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Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?
Choose the most appropriate answer from the option given below:
| (a) | It results in the formation of haploid gametes. |
| (b) | Differentiation of gamete occurs after the completion of meiosis. |
| (c) | Meiosis occurs continuously in a mitotically dividing stem cell population. |
| (d) | It is controlled by the Luteinising hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary. |
| (e) | It is initiated at puberty. |
| 1. | (b), (c), and (e) only | 2. | (c) and (e) only |
| 3. | (b) and (c) only | 4. | (b), (d) and (e) only |
Subtopic: Seminiferous Tubules & Spermatogenesis | oogenesis |
Level 3: 35%-60%
NEET - 2022
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At which state of life the oogenesis process is initiated?
| 1. | Adult | 2. | Puberty |
| 3. | Embryonic development stage | 4. | Birth |
Subtopic: oogenesis |
86%
Level 1: 80%+
NEET - 2022
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How many Y-chromosomes are present in the 2nd polar body in human beings?
| 1. | 01 | 2. | 00 |
| 3. | 23 | 4. | 02 |
Subtopic: oogenesis |
70%
Level 2: 60%+
NEET - 2022
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In the following questions a statement of assertion (A) is followed by a statement of reason (R).
| Assertion(A): | At birth a female ovary consist of large number of ovarian follicles with diploid oocytes. |
| Reason(R): | During fetal development primary oocytes enter a prolonged diplotene stage of the first meiotic division and remain in this state until ovulation occurs at puberty. |
| 1. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) & (R) are true but (R) is not the correct explanation of (A) |
| 3. | (A) is true statement but (R) is false |
| 4. | Both (A) and (R) are false statements |
Subtopic: oogenesis |
53%
Level 3: 35%-60%
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What is the secretory phase in the human menstrual cycle also called? How long does it last?
1. Luteal phase, four days
2. Follicular phase, four days
3. Follicular phase, fourteen days
4. Luteal phase, fourteen days
1. Luteal phase, four days
2. Follicular phase, four days
3. Follicular phase, fourteen days
4. Luteal phase, fourteen days
Subtopic: Menstrual Cycle: Luteal Phase | oogenesis |
77%
Level 2: 60%+
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At puberty:
| 1. | about 30,000-40,000 primary follicles are left in each ovary |
| 2. | about 30,000-40,000 primary follicles are left in both ovaries |
| 3. | about 60,000-80,000 primary follicles are left in each ovary |
| 4. | about 1,00,000 primary follicles are left in both ovaries |
Subtopic: oogenesis |
90%
Level 1: 80%+
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What is released at the time of ovulation?
1. Primary oocyte arrested at meiosis I
2. Primary oocyte arrested at meiosis II
3. Secondary oocyte arrested at meiosis I
4. Secondary oocyte arrested at meiosis II
Subtopic: oogenesis |
64%
Level 2: 60%+
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Given below are two statements regarding oogenesis.
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
| I: | The primary follicles get surrounded by more layers of granulosa cells, a theca and shows fluid filled cavity antrum. Now it is called secondary follicle. |
| II: | Graafian follicle ruptures to release the secondary oocyte from the ovary by the process called ovulation. |
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
Subtopic: oogenesis |
68%
Level 2: 60%+
NEET - 2023
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