| 1. | The seminiferous tubules of the testis open into the vasa efferentia through the rete testis. |
| 2. | The vasa efferentia leave the testis and open into the epididymis located along the posterior surface of each testis. |
| 3. | The epididymis leads to the vas deferens that ascend to the abdomen and loop over the urinary bladder. |
| 4. | The epididymis receives a duct from the seminal vesicle and opens into the urethra as the ejaculatory duct. |
| 1. | the vas deferens with the duct of the bulbourethral gland |
| 2. | the vas deferens with the duct of the seminal vesicle |
| 3. | the epididymis and the vas deferens |
| 4. | the duct of bulbourethral gland and the urethra |
| I: | The first movements of the foetus and appearance of hair on the head are usually observed during the third month. |
| II: | By the end of about 24 weeks, the body is covered with fine hair, eye-lids separate, and eyelashes are formed. |
Chorionic villi are derived from:
| 1. | Trophoblast cells | 2. | Granulosa cells |
| 3. | Theca cells | 4. | Maternal tissue |
| 1. | envelops only the acrosome of sperm |
| 2. | envelops only the mid piece of sperm |
| 3. | envelops the whole body of sperm |
| 4. | does not envelop any part of the sperm at all |
At puberty:
| 1. | about 30,000-40,000 primary follicles are left in each ovary |
| 2. | about 30,000-40,000 primary follicles are left in both ovaries |
| 3. | about 60,000-80,000 primary follicles are left in each ovary |
| 4. | about 1,00,000 primary follicles are left in both ovaries |
What induces the completion of the meiotic division of the secondary oocyte?
| 1. | rupture of the Graafian follicle |
| 2. | insemination |
| 3. | contact of sperm with zona pellucida |
| 4. | entry of sperm into the cytoplasm of the ovum |
| 1. | Oxytocin | 2. | Relaxin |
| 3. | hCG | 4. | hPL |
The number of correct statements in the given statements is:
| I: | Each seminiferous tubule is lined on its inside by two types of cells called male germ cells and Sertoli cells. |
| II: | Sertoli cells synthesise and secrete testicular hormones called androgens. |
| III: | Leydig cells provide nutrition to the germ cells. |
| IV: | The testis is covered by a dense covering. |
| V: | Each testis has about 250 compartments called testicular lobules. |
1. 2
2. 3
3. 4
4. 5