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Essentiale: Human Reproduction
Iris: Human Reproduction
Invictus: Human Reproduction
Human Reproduction - Mini Q Bank
Human Reproduction - Essentiale - (New NCERT)
Human Reproduction - Iris - (New NCERT)
Q. No.

Which of the following statements is correct?
1. Monkey, apes and humans exhibit estrous cycle.
2. Urine is pale yellow and slightly alkaline.
3. Lots of enzymes are present in bile juice.
4. Ovulation in humans is spontaneous

Subtopic:  Introduction to Menstrual Cycle |
 56%
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NEET 2025 - Target Batch
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The 'cells of Rauber' are
1. secretory cells of endometrium in uterus
2. inner cell mass of blastocoel
3. outer cells of trophoblast in contact with uterine wall
4. cells of trophoblast, in contact with inner cell mass of blastocyst.

Subtopic:  Embryonic Development till Gastrulation |
 57%
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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): A moist habitat is almost always required for external fertilization.
Reason (R): A moist habitat prevents the drying of gametes and allows sperms to swim to ova.
In the light of the above statements, choose the most appropriate answer from the options given below:  
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.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Introduction |
 82%
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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): All mammalian embryos will develop into females unless a functional SRY gene is present.
Reason (R): SRY gene is non-functional in a female zygote.
 In the light of the above statements, choose the most appropriate answer from the options given below:  
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.
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Embryonic Development till Gastrulation |
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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): Sperms constitute the majority of the volume of the semen ejaculated.
Reason (R): There are about 300 million sperms per ml of the ejaculate.
In the light of the above statements, choose the most appropriate answer from the options given below :
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:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
From NCERT
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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): It is important that the secondary oocyte aquires almost all of the cytoplasm from the primary oocyte.
Reason (R): This increases its chances of sustaining the early embryo should the oocyte be fertilized.
In the light of the above statements, choose the most appropriate answer from the options given below :
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:  oogenesis |
 71%
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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 the absence of fertilization, the corpus luteum degenerates into a corpus albicans.
Reason (R):  The levels of estrogen and progesterone are highly reduced towards the end of the luteal phase.

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: Luteal 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): If the pituitary gland is removed, spermatogenesis can still be initiated by follicle stimulating hormone (FSH) and testosterone.
Reason (R): In contrast to FSH, LH appears to have little role in spermatogenesis outside of inducing gonadal testosterone production.
 
In the light of the above statements, choose the most appropriate answer from the options given below :
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:  Seminiferous Tubules & Spermatogenesis |
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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): LH is necessary to maintain luteal function for the second two weeks of the menstrual cycle.
Reason (R): If fertilization does not occur, LH is continued to be secreted in low concentration in the luteal phase.
In the light of the above statements, choose the most appropriate answer from the options given below :
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: Luteal 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): Young women have a lower incidence of heart disease as compared to post-menopausal women.
Reason (R): Estrogen has a vasculo-protective action which helps in preventing atherosclerosis.
 In the light of the above statements, choose the most appropriate answer from the options given below:  
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.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Introduction to Menstrual Cycle: 2 |
 77%
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Essentiale: Human Reproduction
Iris: Human Reproduction
Invictus: Human Reproduction
Human Reproduction - Mini Q Bank
Human Reproduction - Essentiale - (New NCERT)
Human Reproduction - Iris - (New NCERT)
Q. No.

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