Q. No.Which of the following is constituent of semen?
| 1. | Seminal plasma only |
| 2. | Sperm only |
| 3. | Seminal plasma along with sperm |
| 4. | Seminal plasma along with ovum |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
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Level 1: 80%+
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Interstitial or legding cells, present outside the seminiferous tubules, synthesize and secrete
| 1. | Inhibin | 2. | GnRH |
| 3. | Androgens | 4. | Progesterone |
Subtopic: Seminiferous Tubules & Spermatogenesis |
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Level 1: 80%+
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FSH: Seroli cell :: LH : _________.
Complete the analogy by choosing the correct option
1. Sperm cell
2. Inner cell mass
3. Germ cell
4. Leydig cell
Complete the analogy by choosing the correct option
1. Sperm cell
2. Inner cell mass
3. Germ cell
4. Leydig cell
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation | Male Reproductive Duct System |
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Level 1: 80%+
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The site of synthesis of sperms is
| 1. | Prostate |
| 2. | Seminiferous tubules |
| 3. | Seminal vesicle |
| 4. | Bulbourethral gland |
Subtopic: Seminiferous Tubules & Spermatogenesis |
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The seminiferous tubules
| 1. | are the site of spermatogenesis |
| 2. | produce most of the seminal fluid |
| 3. | empty directly into the vas deferens |
| 4. | receive fluid from the bulbourethral glands |
Subtopic: Seminiferous Tubules & Spermatogenesis |
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The major male sex accessory glands:
| I: | include two paired glands and one unpaired gland. |
| II: | contribute to the composition of seminal plasma. |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation | Male Reproductive Duct System |
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What is spermiation?
| 1. | The process by which spermatozoa form. |
| 2. | The release of spermatozoa from the Sertoli cells into the lumen of seminiferous tubules. |
| 3. | The initial development of sperm cells in the testes. |
| 4. | The fusion of sperm with the egg. |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
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Which of the following correctly matches the structure with its primary function?
| 1. | Sertoli cells – Secretion of androgens |
| 2. | Leydig cells – Nourishment of germ cells |
| 3. | Acrosome – Enzymatic penetration of ovum |
| 4. | Epididymis – Formation of spermatids |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
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Level 2: 60%+
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What is the role of Luteinizing Hormone (LH) in males?
| 1. | It controls the production of FSH. |
| 2. | It promotes spermatogenesis directly in the seminiferous tubules. |
| 3. | It inhibits the production of androgens. |
| 4. | It stimulates the Leydig cells to produce testosterone. |
Subtopic: Seminiferous Tubules & Spermatogenesis |
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Identify the direct consequence of malfunction in the Leydig cells.
| 1. | Reduced testosterone production affecting spermatogenesis |
| 2. | Failure of sperm transportation through the vasa efferentia |
| 3. | Degeneration of Sertoli cells leading to poor nutrition for germ cells |
| 4. | Absence of fructose in seminal plasma |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
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