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Q. No.Leydig cells:
1.
Are present in seminiferous tubules and secrete androgens
2.
Are present in seminiferous tubules and help in the maturation of sperms
3.
Are present in interstitial space and secrete androgens
4.
Are present in interstitial space and help in the maturation of sperms
Subtopic: Male Reproductive System |
82%
From NCERT
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Subtopic: Basic Anatomy of Testis |
87%
From NCERT
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The final mature follicle is called:
| 1. | Primordial follicle | 2. | Primary follicle |
| 3. | Vesicular follicle | 4. | Graafian follicle |
Subtopic: oogenesis |
96%
From NCERT
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Consider the following two statements:
| I: | The hymen is often torn during the first coitus. |
| II: | The presence or absence of hymen is a reliable indicator of virginity. |
Of the two statements:
1. Both I and II are correct and II explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct but II is incorrect.
4. Both I and II are incorrect.
Subtopic: Female External Genitalia |
84%
From NCERT
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The division of primary oocyte results in:
| 1. | unequal cells – a smaller haploid secondary oocyte and a larger diploid polar body |
| 2. | unequal cells – a larger haploid secondary oocyte and a smaller haploid polar body |
| 3. | unequal cells – a smaller diploid secondary oocyte and a larger haploid polar body |
| 4. | equal cells – a haploid secondary oocyte and a haploid polar body |
Subtopic: oogenesis |
88%
From NCERT
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Leydig cells synthesize androgens under the direct influence of:
| 1. | FSH | 2. | LH |
| 3. | FSH and LH | 4. | GnRH |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
79%
From NCERT
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Identify the part that helps in the collection of the ovum after ovulation:
| 1. | 4 | 2. | 5 |
| 3. | 6 | 4. | 7 |
Subtopic: Female Reproductive System-1 |
87%
From NCERT
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What causes the onset of puberty in males?
| 1. | Increase in secretion of testosterone by the testis |
| 2. | Decrease in the secretion of testosterone by the testis |
| 3. | Increase in secretion of GnRH by the hypothalamus |
| 4. | Decrease in the secretion of GnRH by the hypothalamus |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
71%
From NCERT
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The correct sequence of mammalian mammary gland ducts beginning from the alveoli would be:
| 1. | Mammary tubules → Mammary ducts → Mammary ampulla → Lactiferous ducts |
| 2. | Lactiferous ducts → Mammary ducts → Mammary ampulla → Mammary tubules |
| 3. | Lactiferous ducts → Mammary ampulla → Mammary ducts → Mammary tubules |
| 4. | Mammary tubules → Mammary ampulla → Mammary ducts → Lactiferous ducts |
Subtopic: Mammary Gland & Lactation |
79%
From NCERT
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The spermatids are transformed into spermatozoa by a process called:
| 1. | Spermiation | 2. | Spermatocytogenesis |
| 3. | Spermiogenesis | 4. | Spermatolysis |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
81%
From NCERT
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