Q. No.In which part of the human female reproductive system do the following events take place?
A. Release of semen by penis.
B. Release of a tiny first polar body.
C. Release of second polar body.
D. Implantation.
Identify the correct option for A, B, C and D:
| A | B | C | D | |
| 1. | Cervix | Ovary | Ovary | Uterus |
| 2. | Cervix | Abdominal cavity | Fallopian tube | Uterus |
| 3. | Vagina | Ovary | Abdominal cavity | Uterus |
| 4. | Vagina | Ovary | Isthmis-ampullary junction of fallopian tube |
Uterus |
Subtopic: Fertilization | Implantation | oogenesis |
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Level 1: 80%+
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Compare the gamete production in males and females:
| 1. | Males produce gametes continuously after puberty, females have limited gamete reserve from birth |
| 2. | Both males and females produce equal numbers of functional gametes monthly |
| 3. | Female gamete production is continuous, male production is cyclical |
| 4. | Both cease gamete production after reproductive age |
Subtopic: Seminiferous Tubules & Spermatogenesis | oogenesis |
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The correct sequence of developing follicle within ovary of a fertile human female is best represented as
| 1. | Primary follicle \(\rightarrow\) Corpus luteum \(\rightarrow\) Tertiary follicle \(\rightarrow\) Graafian follicle \(\rightarrow\) Ova |
| 2. | Secondary follicle \(\rightarrow\) Tertiary follicle \(\rightarrow\) Corpus luteum \(\rightarrow\) Graafian follicle \(\rightarrow\) Ova |
| 3. | Primary follicle \(\rightarrow\) Secondary follicle \(\rightarrow\) Tertiary follicle \(\rightarrow\) Graafian follicle \(\rightarrow\) Ova |
| 4. | Graafian follicle \(\rightarrow\) Tertiary follicle \(\rightarrow\) Secondary follicle \(\rightarrow\) Primary follicle \(\rightarrow\) Oogonia |
Subtopic: oogenesis |
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Which of the following is a common feature between human sperm and ovum?
| 1. | The same number of mitochondria |
| 2. | Presence of zona pellucida outer to the plasma membrane |
| 3. | 23 chromosomes |
| 4. | Self mostly |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation | oogenesis |
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In human females, when does oogenesis begin?
| 1. | At the time of puberty |
| 2. | During embryonic development |
| 3. | During ovulation |
| 4. | At the time of birth |
Subtopic: oogenesis |
90%
Level 1: 80%+
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By puberty, how many primary follicles remain in each ovary (approximately)?
| 1. | 5,000–10,000 | 2. | 20,000–30,000 |
| 3. | 60,000–80,000 | 4. | 1,00,000–1,20,000 |
Subtopic: oogenesis |
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Level 1: 80%+
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Regarding oogenesis:
1. Only I and II are correct
2. Only II and III are correct
3. Only I and III are correct
4. I, II and III are correct
| I: | Oogonia are formed only during embryonic development. |
| II: | Primary oocytes are arrested in prophase-I until puberty. |
| III: | Each primary oocyte produces four functional ova. |
2. Only II and III are correct
3. Only I and III are correct
4. I, II and III are correct
Subtopic: oogenesis |
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Level 1: 80%+
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Which stage in oogenesis remains arrested until puberty in the human female?
| 1. | Primary oocyte in prophase I |
| 2. | Secondary oocyte in metaphase II |
| 3. | Oogonia in interphase |
| 4. | Primary follicle in metaphase I |
Subtopic: oogenesis |
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| Assertion(A): | At the start of oogenesis, there are few million oogonia in each ovary and at puberty only 60,000 - 80,000 primary follicles are left in each ovary |
| Reason(R): | There is degeneration of the primary follicles from birth to puberty by follicular atresia. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: oogenesis |
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Level 1: 80%+
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At the time of ovulation, the secondary occyte is covered by a glycoprotein layer termed as:
1. Corona radiata
2. Zona radiata
3. Zona pellucida
4. Chorion
1. Corona radiata
2. Zona radiata
3. Zona pellucida
4. Chorion
Subtopic: oogenesis |
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Level 1: 80%+
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