Seminal plasma in humans is rich in:
| 1. | fructose, calcium and certain enzymes |
| 2. | fructose and calcium but has no enzymes |
| 3. | glucose and certain enzymes but has no calcium |
| 4. | fructose and certain enzymes but poor in calcium |
Which one of the following is the correct match of the events occurring during the menstrual cycle?
| 1. | Ovulation - LH and FSH attain peak level and sharp fall in the secretion of progesterone |
| 2. | Proliferative phase - Rapid regeneration of myometrium and maturation of Graafian follicle |
| 3. | Development of corpus luteum - Secretory phase and increased secretion of progesterone |
| 4. | Menstruation - Breakdown of myometrium and ovum not fertilized |
| 1. | During normal menstruation about 40 ml of blood is lost |
| 2. | The menstrual fluid can easily clot |
| 3. | At menopause in the female, there is an especially abrupt increase in gonadotropic hormones |
| 4. | The beginning of the cycle of menstruation is called menarche |
In human during fertilization a sperm firstly comes in contact with which layer of ovum?
1. zona pellucida
2. vitelline membrane
3. Jelly coat
4. zona radiate
The middle piece of the sperm contains:
1. proteins
2. centriole
3. nucleus
4. mitochondria
| 1. | These seminiferous epithelium contains only proliferative cells |
| 2. | Functional compartmentalization of the seminiferous epithelium depends on tight junctions |
| 3. | The interstitial tissue contains few capillaries |
| 4. | The seminiferous epithelium contains numerous capillaries |
Extrusion of the second polar body from the egg nucleus occurs:
| 1. | simultaneously with the first cleavage |
| 2. | after entry of sperm but before fertilization |
| 3. | after fertilization |
| 4. | before entry of sperm into the ovum |