| A. | Spermatogonia always undergo meiotic cell division |
| B. | Primary Spermatogonia divide mitotically to produce secondary Spermatocytes. |
| C. | Secondary Spermatocytes, through their second meiotic division, produce haploid spermatids |
| D. | Spermatids produce spermatozoa through mitosis. |
| E. | Spermatids transform into spermatozoa by spermiogenesis. |
| 1. | C and E only |
| 2. | A, C and E only |
| 3. | B, C and D only |
| 4. | A and E only |
| List-I | List-II | ||
| A. | The foetus movement starts and hair appears on the head | I. | 24 weeks of pregnancy |
| B. | The foetus develops limbs and digits | II. | 20 week of pregnancy |
| C. | The foetus develops external genital organs | III. | 8 weeks of pregnancy |
| D. | The foetus body is covered with fine hair; eyelids separate and eyelashes are formed | IV. | 12 week of pregnancy |
| 1. | A-III,B-II,C-IV,D-I |
| 2. | A-II,B-IV,C-III,D-I |
| 3. | A-IV,B-II,C-III,D-I |
| 4. | A-II,B-III,C-IV,D-I |
| Statement I: | Ovulation is caused by LH surge leading to rupture of Graafian follicles. |
| Statement II: | Graafian follicle remaining after ovulation transform into corpus luteum and secretes large amount of estrogen. |
| 1. | Statement I is incorrect but Statement II is correct |
| 2. | Both Statement I and Statement II are correct |
| 3. | Both Statement I and Statement II are incorrect |
| 4. | Statement I is correct but Statement II is incorrect |
| 1. | The were conceived through in vitro fertilization. |
| 2. | They have 75% identical genetic content. |
| 3. | They are monozygotic twins. |
| 4. | They are fraternal twins. |
| A. | The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis. |
| B. | The gap between the first meiotic division and the second meiotic division is much shorter for males compared to females. |
| C. | The first polar body is associated with the formation of the primary oocyte. |
| D. | Luteinizing Hormone (LH) surge leads to disintegration of the endometrium and onset of menstrual bleeding. |
| List-I | List-II | ||
| A. | Head | I. | Enzymes |
| B. | Middle piece | II. | Sperm motility |
| C. | Acrosome | III. | Energy |
| D. | Tail | IV. | Genetic materials |