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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 |
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Level 1: 80%+
NEET - 2023
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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 |
| 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
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| Assertion(A): | At the start of oogenesis, there are few million oogonia in each ovary and at puberty only 60,000 - 80,000 primary follicles are left in each ovary |
| Reason(R): | There is degeneration of the primary follicles from birth to puberty by follicular atresia. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: oogenesis |
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| Assertion(A): | Doctors inject oxytocin to induce delivery. |
| Reason(R): | Oxytocin causes strong uterine contractions required for parturition. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A) . |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Fetal Development & Parturition |
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| Assertion(A): | In humans, all copulations cannot lead to fertilisation and pregnancy. |
| Reason(R): | Fertilisation can only occur if the ovum and sperms are transported simultaneously to the ampullary region of oviduct. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are true and (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Implantation |
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How many structures given below in the box are included in external genitalia of human females?
1. Seven
2. Five
3. Three
4. One
| Mons pubis, Labia majora, Labia minora, Hymen, Vagina, Clitoris, Oviduct, Uterus |
2. Five
3. Three
4. One
Subtopic: Female External Genitalia |
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Complete the analogy w.r.t copulatory structures and select the correct option.
Human male : Penis : : Human female :
1. Vagina
2. Labia majora
3. Labia minora
4. Mons pubis
Human male : Penis : : Human female :
1. Vagina
2. Labia majora
3. Labia minora
4. Mons pubis
Subtopic: Female Reproductive System-1 |
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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%+
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Chorionic villi are derived from:
| 1. | Trophoblast cells | 2. | Granulosa cells |
| 3. | Theca cells | 4. | Maternal tissue |
Subtopic: Embryonic Development till Gastrulation |
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The structure formed during human embryonic development is shown in the given figure:
| 1. | is morula and has 8 to 16 cells |
| 2. | is the antral follicle with a fluid-filled antrum |
| 3. | is blastocyst that gets implanted on the uterine endometrium |
| 4. | is gastrula where the three germ layers are formed before implantation |
Subtopic: Embryonic Development till Gastrulation |
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