Assertion(A): | At birth a female ovary consist of large number of ovarian follicles with diploid oocytes. |
Reason(R): | During fetal development primary oocytes enter a prolonged diplotene stage of the first meiotic division and remain in this state until ovulation occurs at puberty. |
1. | Both (A) & (R) are true and (R) is the correct explanation of (A) |
2. | Both (A) & (R) are true but (R) is not the correct explanation of (A) |
3. | (A) is true statement but (R) is false |
4. | Both (A) and (R) are false statements |
List I | List II |
A. Acrosome | I. Gonadotropin |
B. Corpus luteum | II. Hyaluronidase |
C. Leydig cells | III. Estrogen |
D. Hypothalamus | IV. Testosterone |
Assertion (A): | Pregnancy is characterised by metabolic changes in the mother. |
Reason (R): | During pregnancy, the level of thyroxine is increased in the 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. | (A) is False but (R) is True. |
(i) | Theca externa |
(ii) | Theca interna |
(iii) | Follicular cells |
(iv) | Secondary oocyte. |