Q. No.Read the following statements A and B and choose the correct option.
Statement (A) : Soon after the placenta is delivered, the infant is also expelled out of the uterus.
Statement (B) : Doctors inject oxytocin to induce delivery of the baby when it is not secreted in adequate amount from maternal pituitary.
1. Both statements (A) and (B) are correct
2. Both statements (A) and (B) are incorrect
3. Only statement (A) is correct
4. Only statement (B) is correct
Statement (A) : Soon after the placenta is delivered, the infant is also expelled out of the uterus.
Statement (B) : Doctors inject oxytocin to induce delivery of the baby when it is not secreted in adequate amount from maternal pituitary.
1. Both statements (A) and (B) are correct
2. Both statements (A) and (B) are incorrect
3. Only statement (A) is correct
4. Only statement (B) is correct
Subtopic: Â Fetal Development & Parturition |
 62%
From NCERT
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Match the following columns I and II and choose the correct option.
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iv), c(iii), d(i)
3. a(ii), b(iv), c(i), d(iii)
4. a(iii), b(iv), c(i), d(ii)
| Column I | Column II | ||
| a. | Parturition | (i) | Release of ovum from ruptured Graafian follicle |
| b. | Menopause | (ii) | Delivery of the baby |
| c. | Ovulation | (iii) | Blastocyst becomes embedded in endometrium |
| d. | Implantation | (iv) | Menstrual cycles ceases around age of 50 years in human female |
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iv), c(iii), d(i)
3. a(ii), b(iv), c(i), d(iii)
4. a(iii), b(iv), c(i), d(ii)
Subtopic: Â Menstrual Cycle: Pre Ovulatory Phase |Â Menstrual Cycle: Luteal Phase |Â Fetal Development & Parturition |Â Implantation |
 94%
From NCERT
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| Assertion (A): | Parturition is induced by a complex neuro endocrine meachanism. |
| Reason (R): | At the end of gestation period, the maternal pituitary releases prolactin which causes uterine contractions. |
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. (A) is False but (R) is True
Subtopic: Â Fetal Development & Parturition |
 85%
From NCERT
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Match the following columns and select the correct option:
| Column I | Column II | ||
| (a) | Ovary | (i) | Human chorionic Gonadotropin |
| (b) | Placenta | (ii) | Estrogen & Progesterone |
| (c) | Corpus luteum | (iii) | Androgens |
| (d) | Leydig cells | (iv) | Progesterone only |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (iv) | (iii) | (ii) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (ii) | (i) | (iv) | (iii) |
Subtopic: Â Seminiferous Tubules & Spermatogenesis |Â Ovary |Â Menstrual Cycle: Luteal Phase |Â Fetal Development & Parturition |
 91%
From NCERT
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Assertion(A): Parturition is peristalsis expulsion of foetus through birth canal.
Reason(R): Oxytocin stimulates peristalsis in uterus and also ejection of milk.
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.
Reason(R): Oxytocin stimulates peristalsis in uterus and also ejection of milk.
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: Â Fetal Development & Parturition |
 54%
From NCERT
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Assertion(A): During early pregnancy, hCG prevents the disintegration of corpus luteum.
Reason(R): Under the influence of hCG, the corpus luteum continues to produce progesterone which keeps endometrium intact.
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.
Reason(R): Under the influence of hCG, the corpus luteum continues to produce progesterone which keeps endometrium intact.
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: Â Fetal Development & Parturition |Â Implantation |
 78%
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Assertion(A): Soon after the infant is delivered, the placenta is also expelled out of the uterus.
Reason(R): Expulsion of placenta is called parturition.
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.
Reason(R): Expulsion of placenta is called parturition.
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: Â Fetal Development & Parturition |
 79%
From NCERT
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Assertion(A): Blood flowing in umbilical cord of human embryo is 100% foetal.
Reason(R): Umbilical cord helps in transport of substances between foetal and maternal blood.
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.
Reason(R): Umbilical cord helps in transport of substances between foetal and maternal blood.
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: Â Embryonic Development till Gastrulation |Â Fetal Development & Parturition |
 58%
From NCERT
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Assertion(A): hCG, and hPL are produced in women only during pregnancy.
Reason(R): These hormones are produced by placenta.
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.
Reason(R): These hormones are produced by placenta.
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: Â Implantation : Part 1 |Â Implantation : Part 2 |Â Fetal Development & Parturition |Â Implantation |
 83%
From NCERT
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Assertion(A): The inner cell mass of blastocyst differentiates into outer and inner layer just before implantation.
Reason(R): The outer layer of blastocyst forms the embryo.
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.
Reason(R): The outer layer of blastocyst forms the embryo.
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: Â Implantation : Part 1 |Â Implantation : Part 2 |Â Embryonic Development till Gastrulation |Â Fetal Development & Parturition |Â Implantation |
 63%
From NCERT
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