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Q. No.Identify the incorrectly matched pair:
|
1. |
Leydig cells |
Secrete androgens when stimulated by LH |
|
2. |
Sertoli cells |
Help in spermiogenesis and also secrete inhibin |
|
3. |
Seminal vesicles |
Contribute fructose to seminal plasma and store sperms |
|
4. |
Prostate |
Unpaired gland frequently gets enlarged in older men |
Subtopic: Male Reproductive Duct System |
Level 3: 35%-60%
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In testes:
1. Only I and II are correct
2. Only III is correct
3. I, II, and III are correct
4. I, II, and III are incorrect
| I: | Sertoli cells synthesize and secrete testicular hormones called androgens. |
| II: | Leydig cells provide nutrition to the germ cells. |
| III: | The male germ cells undergo meiotic divisions, finally, leading to sperm formation |
2. Only III is correct
3. I, II, and III are correct
4. I, II, and III are incorrect
Subtopic: Basic Anatomy of Testis |
79%
Level 2: 60%+
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Identify the correct match for Leydig cells:
| Location | Stimulated by | Secrete | |
| 1. | Seminiferous tubule lining | LH | Androgens |
| 2. | Seminiferous tubule lining | FSH | Inhibin |
| 3. | Interstitial space in testis | LH | Androgens |
| 4. | Interstitial space in testis | FSH | Inhibin |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
85%
Level 1: 80%+
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Fructose present in seminal plasma:
| 1. | provides an energy source for ATP production by sperm. |
| 2. | promotes coagulation of semen in the female reproductive tract. |
| 3. | buffers acids in the female reproductive tract. |
| 4. | inhibits the growth of bacteria in semen and the female reproductive tract. |
Subtopic: Semen and Male Fertility |
86%
Level 1: 80%+
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Identify the incorrect statement from the following:
1. Only a, b and c
2. Only a, c and d
3. Only b, c and d
4. a, b, c and d
| a: | High levels of estrogen triggers the ovulatory surge. |
| b: | Oogonial cells start to proliferate and give rise to functional ova in regular cycles from puberty onwards. |
| c: | Sperms released from seminiferous tubules are highly motile. |
| d: | Progesterone level is high during the post ovulatory phase of menstrual cycle |
2. Only a, c and d
3. Only b, c and d
4. a, b, c and d
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation | Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase | oogenesis |
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Level 2: 60%+
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The correct sequence regarding the passage of spermatozoa from their site of production will be:
| 1. | interstitial cells, efferent ductules, ampulla, and epididymis |
| 2. | epididymis, vasa efferentia, rete testis, and seminiferous tubules |
| 3. | seminiferous tubules, rete testis, efferent ductules, and epididymis |
| 4. | seminiferous tubules, urethra, efferent ductules, and ductus deferens |
Subtopic: Male Reproductive System | Basic Anatomy of Testis |
90%
Level 1: 80%+
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Regarding FSH [follicle stimulating hormone]:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | In females, FSH initiates follicular growth. |
| II: | In males, FSH induces Sertoli cells to secrete certain factors. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Male Reproductive System | Menstrual Cycle |
89%
Level 1: 80%+
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Which of the following statements about spermatogenesis are correct?
1. I and II only
2. II and III only
3. I and III only
4. I, II and III
| I: | It occurs in the seminiferous tubules of the testes. |
| II: | It results in the production of four haploid sperm cells from a single diploid spermatogonium. |
| III: | It is regulated by hormones like FSH and LH. |
2. II and III only
3. I and III only
4. I, II and III
Subtopic: Seminiferous Tubules & Spermatogenesis |
81%
Level 1: 80%+
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The hypothalamus and the pituitary gland mainly control the menstrual cycle. A series of physiological and anatomical processes of puberty culminates in menarche. Which of the following is the most important causal reason for the onset of puberty?
| 1. | The release of pulses of GnRH by the hypothalamus |
| 2. | The release of gonadotropins by the anterior pituitary |
| 3. | Inhibition of GnRH due to increase in circulating gonadotropins |
| 4. | Secretion of estrogen by the ovaries in response to pituitary hormones |
Subtopic: Female Reproductive System-1 | Female Reproductive System-2 |
Level 3: 35%-60%
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | The presence or absence of hymen is not a reliable indicator of virginity or sexual experience. |
| Statement II: | In some women the hymen persists even after coitus. |
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Female Reproductive System-1 | Female Reproductive System-2 | Female External Genitalia |
87%
Level 1: 80%+
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