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Q. No.Which of the following statements are correct regarding female reproductive cycle?
A.
In non-primate mammals, cyclical changes during reproduction are called oestrus cycle.
B.
First menstrual cycle begins at puberty and is called menopause.
C.
Lack of menstruation may be indicative of pregnancy.
D.
Cyclic menstruation extends between menarche and menopause.
Choose the most appropriate answer from the options given below:
1.
A, C and D only
2.
A and D only
3.
A and B only
4.
A, B and C only
Subtopic: Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
88%
Level 1: 80%+
NEET - 2023
Hints
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
In the light of the above statements, choose the correct answer from, the options given below:
| Assertion (A): | Endometrium is necessary for implantation of blastocyst. |
| Reason (R): | In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Introduction to Menstrual Cycle: 1 | Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
63%
Level 2: 60%+
NEET - 2023
Hints
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 |
Choose the correct answer from the options given below:
| 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
Hints
Given below are two statements regarding oogenesis.
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is correct but Statement II is false
2. Statement I is incorrect but Statement II is true
3. Both Statement I and Statement II are true
4. Both Statement I and Statement II are false
| I: | The primary follicles get surrounded by more layers of granulosa cells, a theca and shows fluid filled cavity antrum. Now it is called secondary follicle. |
| II: | Graafian follicle ruptures to release the secondary oocyte from the ovary by the process called ovulation. |
1. Statement I is correct but Statement II is false
2. Statement I is incorrect but Statement II is true
3. Both Statement I and Statement II are true
4. Both Statement I and Statement II are false
Subtopic: oogenesis |
68%
Level 2: 60%+
NEET - 2023
Hints
Given below are two statements:
In light of the above statements, choose the correct answer from the options 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: | Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct. |
| Statement II: | The cavity of the cervix is called cervical canal which along with vagina forms birth canal. |
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: Male Reproductive System | Female Reproductive System-1 | Female Reproductive System-2 |
86%
Level 1: 80%+
NEET - 2023
Hints
The menstrual bleed is mainly due to the withdrawal of:
1. Oestrogen
2. Progesterone
3. LH
4. FSH
Subtopic: Menstrual Cycle: Pre Ovulatory Phase | Menstrual Cycle: Luteal Phase |
85%
Level 1: 80%+
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What is released at the time of ovulation?
1. Primary oocyte arrested at meiosis I
2. Primary oocyte arrested at meiosis II
3. Secondary oocyte arrested at meiosis I
4. Secondary oocyte arrested at meiosis II
Subtopic: oogenesis |
63%
Level 2: 60%+
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Implantation of the developing embryo occurs on the uterine endometrium:
| 1. | at the morula stage, within 24 – 48 hours of fertilisation |
| 2. | at the morula stage, about 96 hours post fertilisation |
| 3. | at the blastocyst stage, 7th – 8th day post fertilization |
| 4. | at the gastrula stage, about 10 days post fertilization |
Subtopic: Implantation |
80%
Level 1: 80%+
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All the following cells are expected to be haploid except:
1. first polar body
2. spermatid
3. secondary polar body
4. primary oocyte
1. first polar body
2. spermatid
3. secondary polar body
4. primary oocyte
Subtopic: Seminiferous Tubules & Spermatogenesis |
84%
Level 1: 80%+
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The number of correct statements in the given statements is:
| I: | Each seminiferous tubule is lined on its inside by two types of cells called male germ cells and Sertoli cells. |
| II: | Sertoli cells synthesise and secrete testicular hormones called androgens. |
| III: | Leydig cells provide nutrition to the germ cells. |
| IV: | The testis is covered by a dense covering. |
| V: | Each testis has about 250 compartments called testicular lobules. |
1. 2
2. 3
3. 4
4. 5
Subtopic: Male Reproductive System |
71%
Level 2: 60%+
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