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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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 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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Level 1: 80%+
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Fructose is present in the secretion of:
| 1. | Corpus spongiosum | 2. | Seminal vesicles |
| 3. | Urethra | 4. | Tyson’s gland |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
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Level 1: 80%+
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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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Level 1: 80%+
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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 |
78%
Level 2: 60%+
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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 |
81%
Level 1: 80%+
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Examine the following statements regarding hormonal regulation of reproduction:
How many of the above statements are correct?
| I. | GnRH is secreted by the hypothalamus. |
| II. | GnRH stimulates the anterior pituitary to release LH and FSH. |
| III. | LH acts on Leydig cells to secrete testosterone. |
| IV. | FSH stimulates Sertoli cells to facilitate spermiogenesis. |
| 1. | Two | 2. | Three |
| 3. | Four | 4. | One |
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
72%
Level 2: 60%+
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Arrange the sequence of different hormones for their role during gametogenesis:
Choose the correct answer from the options given below:
| A. | Gonadotropin LH stimulates synthesis and secretion of Androgen |
| B. | Gonadotropin releasing hormone from hypothalamus |
| C. | Androgen stimulates spermatogenesis |
| D. | Gonadotropin FSH helps in the process of spermiogenesis |
| E. | Gonadotropins from anterior pituitary gland |
| 1. | (E), (A), (D), (B), (C) | 2. | (C), (A), (D), (E), (B) |
| 3. | (B), (E), (A), (C), (D) | 4. | (D), (B), (A), (C), (E) |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
80%
Level 1: 80%+
NEET - 2023
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The middle piece of the sperm contains:
1. Centrioles
2. Nucleus
3. Mitochondria arranged in a spiral manner
4. Acrosome
1. Centrioles
2. Nucleus
3. Mitochondria arranged in a spiral manner
4. Acrosome
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
91%
Level 1: 80%+
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