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