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Q. No.Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A):
In a female with 29 days menstrual cycle, ovulation occurs on day fourteen.
Reason (R):
The preovulatory phase of the menstrual cycle is of a fixed duration of 14 days.
Choose the most appropriate answer:
1.
Both (A) and (R) are True and (R) is the correct explanation of (A).
2.
Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
Both (A) and (R) are False.
Subtopic: Menstrual Cycle: Pre Ovulatory Phase |
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Progesterone, like hCG, is necessary to prevent spontaneous abortion. |
| Reason (R): | Progesterone suppresses myometrium contractility. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Fetal Development & Parturition |
51%
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NEET 2025 - Target Batch
Hints
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Detection of hCG in the urine of a pregnant woman is the basis of the pregnancy test. |
| Reason (R): | The pregnant woman's body increases the synthesis of hCG manifolds. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (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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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Cleavage increases the number of cells and nuclear mass without increasing the cytoplasmic mass. |
| Reason (R): | With each successive subdivision, there is roughly half the cytoplasm in each daughter cell than before that division. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (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 : Part 1 |
66%
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | Fertilization occurs in the fallopian tube. |
| Reason (R): | The released oocyte must be fertilized within 24 hours of its release. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Fertilization |
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NEET 2025 - Target Batch
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Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
| Assertion (A): | In humans, sex is determined at the time of fertilization. |
| Reason (R): | The Y chromosome is the male determining factor in humans. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Fertilization |
59%
From NCERT
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Which of the following is not a male accessory sex gland?
1. Bulbourethral gland
2. Testis
3. Prostate
4. Seminal vesicles
Subtopic: Male Reproductive System |
89%
From NCERT
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Ovaries are the primary sex organs in human females because they:
I. Produce the female gamete
II. Produce the hormone that regulates the development of secondary sexual characters
1. Both I and II
2. Only I
3. Only II
4. None
Subtopic: Female Reproductive System-1 | Female Reproductive System-2 |
85%
From NCERT
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FSH:
| 1. | Acts on Sertoli cells and stimulates secretion of some factors that help in spermiogenesis |
| 2. | Acts on Sertoli cells and inhibits secretion of some factors that help in spermiogenesis |
| 3. | Acts on Leydig cells and stimulates secretion of some factors that help in spermiogenesis |
| 4. | Acts on Leydig cells and inhibits secretion of some factors that help in spermiogenesis |
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
82%
From NCERT
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The functions of male sex accessory ducts and glands are maintained by:
1. Hypothalamic releasing hormone
2. Pituitary gonadotropins
3. Adrenal cortex steroids
4. Testicular androgens
Subtopic: Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
68%
From NCERT
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