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Q. No.Subtopic: Embryonic Development till Gastrulation |
81%
Level 1: 80%+
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Luteinizing hormone:
| I: | acts at the Leydig cells and stimulates synthesis and secretion of androgens. |
| II: | acts on the Sertoli cells and stimulates secretion of some factors which help in the process of spermiogenesis. |
| 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 |
76%
Level 2: 60%+
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Match each item in Column-I with one in Column-II and select the correct match from the codes given:
Codes:
| Column-I | Column-II | ||
| A. | Sertoli cells | P. | Secretion of androgens |
| B. | Leydig cells | Q. | Spermiogenesis |
| C. | Uterine Myometrium | R. | Implantation |
| D. | Uterine Endometrium | S. | Parturition |
| A | B | C | D | |
| 1. | P | R | Q | S |
| 2. | R | S | P | Q |
| 3. | Q | P | S | R |
| 4. | S | Q | R | P |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation | Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase | Fetal Development & Parturition | Female Reproductive System-1 | Female Reproductive System-2 |
94%
Level 1: 80%+
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Identify the incorrectly matched pair:
1. LH surge: Ovulation
2. Corpus luteum: Ruptured Graafian follicle
3. hCG: Secreted by the ovary during pregnancy
4. Oxytocin: Milk ejection
1. LH surge: Ovulation
2. Corpus luteum: Ruptured Graafian follicle
3. hCG: Secreted by the ovary during pregnancy
4. Oxytocin: Milk ejection
Subtopic: Fetal Development & Parturition |
78%
Level 2: 60%+
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In human embryonic development, the first movements of the foetus and the appearance of hair on the head are usually observed:
| 1. | By the end of the second month |
| 2. | During the third month |
| 3. | By the end of the fourth month |
| 4. | During the fifth month |
Subtopic: Fetal Development & Parturition |
87%
Level 1: 80%+
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The secondary oocyte completes the second meiotic division:
1. during the fetal life
2. before puberty
3. at the time of ovulation
4. at the time of fertilization
1. during the fetal life
2. before puberty
3. at the time of ovulation
4. at the time of fertilization
Subtopic: Fertilization | Implantation |
88%
Level 1: 80%+
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Foetal ejection reflex is initiated by:
| 1. | Foetal hypothalamus |
| 2. | Maternal pituitary |
| 3. | Fully developed foetus and placenta |
| 4. | Maternal hypothalamus |
Subtopic: Fetal Development & Parturition |
93%
Level 1: 80%+
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The human placenta does not secrete:
| 1. | Oestrogen | 2. | Progesterone |
| 3. | Thyroxine | 4. | Human placental lactogen |
Subtopic: Fetal Development & Parturition |
86%
Level 1: 80%+
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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 into the seminiferous tubules is called spermiation. |
| Statement II: | Spermiogenesis is the process of formation of sperms from spermatogonia. |
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 |
Level 3: 35%-60%
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 |
Level 3: 35%-60%
NEET - 2022
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