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Q. No.In spite of an adequate number of sperms present in the semen of a healthy male, he may be infertile because:
| I: | Only 90% of the sperms are morphologically normal. |
| II: | Only 30% of the sperms show vigorous motility |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat would be a normal finding on semen analysis of a normal fertile male?
| I: | A count of 10 million sperms per ml of semen |
| II: | 60 percent sperms have normal shape and size |
| III: | 40 percent sperms show vigorous motility |
| 1. | Only II | 2. | Only I and II |
| 3. | Only II and III | 4. | I, II and III |
From NCERT
Subtopic: Semen and Male Fertility |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySeminal plasma contains:
| I: | secretions of seminal vesicles, prostate and bulbo-urethral glands. |
| II: | sperms |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
From NCERT
Subtopic: Male Reproductive System |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn males, the Follicle Stimulating Hormone:
| I: | stimulates primary spermatocytes to undergo the first division of meiosis, to form secondary spermatocytes. |
| II: | enhances the production of androgen-binding protein by the Sertoli cells of the testes |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
From NCERT
Subtopic: Spermiogenesis/Sperm Structure/Hormonal Regulation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements are true for spermatogenesis but do not hold true for Oogenesis?
Choose the most appropriate answer from the option given below:
| (a) | It results in the formation of haploid gametes. |
| (b) | Differentiation of gamete occurs after the completion of meiosis. |
| (c) | Meiosis occurs continuously in a mitotically dividing stem cell population. |
| (d) | It is controlled by the Luteinising hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary. |
| (e) | It is initiated at puberty. |
Choose the most appropriate answer from the option given below:
| 1. (b), (c), and (e) only | 2. (c) and (e) only |
| 3. (b) and (c) only | 4. (b), (d) and (e) only |
Subtopic: Seminiferous Tubules & Spermatogenesis | oogenesis |
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many of the given statements are true?
| A: | Spermatogonia have 46 chromosomes and always undergo meiotic cell division |
| B: | Primary spermatocytes divide by mitotic cell division |
| C: | Secondary spermatocytes have 23 chromosomes and undergo second meiotic division |
| D: | Spermatozoa are transformed into spermatids |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
From NCERT
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider 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: | Secretions of epididymis, vas deferens, seminal vesicle and prostate are essential for maturation and motility of sperms. |
| Statement II: | The functions of male sex accessory ducts and glands are maintained by the gonadotropins. |
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
From NCERT
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation | Male Reproductive Duct System |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat will be true for the parts labels A and B in the given diagram?
| I: | A is the longest male sex accessory duct and stores sperms. |
| II: | B is the only gland that does not contribute significantly to the composition of the 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: Male Reproductive System |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich alphabet in the given figure represents the structure that carries two pairs of centrioles?
1. A
2. B
3. C
4. D
1. A
2. B
3. C
4. D
Subtopic: Male Reproductive Duct System | Semen and Male Fertility |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the given two statements:
| Assertion (A): | Testes in males and ovaries in females are the primary sex organs. |
| Reason (R): | The primary sex organs are those that are located within the pelvic cavity and the secondary sex organs are the external genitalia. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Introduction | Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation | Female Reproductive System-1 | Female Reproductive System-2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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