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) |