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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.

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): The fluid lying between cells surrounding the released secondary oocyte has progesterone that has an important role to play in fertilization.
Reason (R): Progesterone in the fluid acts on the uterine endometrium to make it suitable for implantation.
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:  Fertilization: Part 1 |

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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): Though sperm acquire the capability of motility in the epididymis, they do not move with their flagella in the male ducts.
Reason (R): Only spermatozoa that have passed through the epididymis are mature enough to be capable of motility.
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:  Spermiogenesis/Sperm Structure/Hormonal Regulation |

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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): Binding of the sperm head on the oolemma is species specific.
Reason (R): Oolemma has receptors only for the head of human sperms.
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:  Spermiogenesis/Sperm Structure/Hormonal Regulation |

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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 mitochondria in the bodily cells of an individual normally derive from the mother alone.
Reason (R): The sperm has a large number of mitochondria in the body that are spirally arranged.
 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:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 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): 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.
 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:  Fetal Development & Parturition |
 51%

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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): 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.
 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:  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.
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:  Implantation : Part 1 |
 65%

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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.
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:  Fertilization |

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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.
 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:  Fertilization |
 59%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Select Question Set:
filter
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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