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Q. No.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) | 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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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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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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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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At which state of life the oogenesis process is initiated?
1. Adult
2. Puberty
3. Embryonic development stage
4. Birth
1. Adult
2. Puberty
3. Embryonic development stage
4. Birth
Subtopic: oogenesis |
84%
From NCERT
NEET - 2022
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How many Y-chromosomes are present in the 2nd polar body in human beings?
1. 01
2. 00
3. 23
4. 02
Subtopic: oogenesis |
70%
From NCERT
NEET - 2022
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Which of the following hormones are secreted in women only during pregnancy?
| (a) | Relaxin | (b) | Oxytocin |
| (c) | hCG | (d) | hPL |
| (e) | Progesterone |
Choose the most appropriate answer from the options given below:
1. (c), (d) and (e) only2. (b) and (e) only
3. (b), (c) and (d) only
4. (a), (c) and (d) only
Subtopic: Fetal Development & Parturition |
75%
From NCERT
NEET - 2022
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