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 |
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 |
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
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) |
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. |
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. |
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. |
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. |