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Q. No.In human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed:
1. Eyelids and eyelashes are formed
2. Most of the major organ systems are formed
3. The head is covered with fine hair
4. Movement of the fetus
Subtopic: Fetal Development & Parturition |
78%
From NCERT
NEET - 2020
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Select the correct option of haploid cells from the following groups :
| 1. | Primary oocyte, Secondary oocyte, Spermatid |
| 2. | Secondary spermatocyte, First polar body, Ovum |
| 3. | Spermatogonia, Primary spermatocyte, Spermatid |
| 4. | Primary spermatocyte, Secondary spermatocyte, Second polar body |
Subtopic: Seminiferous Tubules & Spermatogenesis | oogenesis |
72%
From NCERT
NEET - 2020
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Match the following columns and select the correct option:
| Column I | Column II | ||
| (a) | Ovary | (i) | Human chorionic Gonadotropin |
| (b) | Placenta | (ii) | Estrogen & Progesterone |
| (c) | Corpus luteum | (iii) | Androgens |
| (d) | Leydig cells | (iv) | Progesterone only |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iv) | (iii) | (ii) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (ii) | (i) | (iv) | (iii) |
Subtopic: Seminiferous Tubules & Spermatogenesis | Ovary | Menstrual Cycle: Luteal Phase | Fetal Development & Parturition |
91%
From NCERT
NEET - 2020
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Receptors for sperm binding in mammals are present on:
| 1. | Perivitelline space | 2. | Zona pellucida |
| 3. | Corona Radiata | 4. | Vitelline membrane |
Subtopic: Fertilization |
81%
NEET - 2021
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Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?
1. Foetus
2. Uterus
3. Graafian follicle
4. Corpus luteum
Subtopic: Fetal Development & Parturition |
NEET - 2021
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Match the following columns and select the correct option.
| Column-I | Column-II | ||
| a. | Placenta | (i) | Androgens |
| b. | Zona pellucida | (ii) | Human chronic Gonadotropin |
| c. | Bulbo-urethral glands | (iii) | Layer of the ovum |
| d. | Leydig cells | (iv) | Lubrication of the Penis |
| a | b | c | d | |
| 1. | (i) | (iv) | (ii) | (iii) |
| 2. | (iii) | (ii) | (iv) | (i) |
| 3. | (ii) | (iii) | (iv) | (i) |
| 4. | (ii) | (iv) | (i) | (ii) |
Subtopic: Male Reproductive System | Ovary | Embryonic Development till Gastrulation |
87%
From NCERT
NEET - 2020
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Which of the following hormone levels will cause release of ovum (ovulation) from the graafian follicle?
1. High concentration of Progesterone
2. Low concentration of LH
3. Low concentration of FSH
4. High concentration of Estrogen
Subtopic: Menstrual Cycle: Pre Ovulatory Phase |
69%
From NCERT
NEET - 2020
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Meiotic division of the secondary oocyte is completed:
1. At the time of copulation
2. After zygote formation
3. At the time of fusion of a sperm with an ovum
4. Prior to ovulation
Subtopic: Fertilization: Part 1 | Fertilization |
79%
From NCERT
NEET - 2020
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Given below are two statements:
In the light of the above statements, Choose the most appropriate answer from the option given below :
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
| Statement I: | The release of sperms from the seminiferous tubules is called spermiation. |
| Statement II: | Spermiogenesis is the process of formation of sperms from spermatogonia. |
In the light of the above statements, Choose the most appropriate answer from the option given below :
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic: Seminiferous Tubules & Spermatogenesis |
From NCERT
NEET - 2022
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Which 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 |
From NCERT
NEET - 2022
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