Sperm has several components out of which the function of the acrosome is to:
1. | Produce base to neutralize the acidic environment of the female reproductive system |
2. | Propel the sperm as they swim through the fluid of the female reproductive tract |
3. | Release an enzyme that breaks down the membrane of the ovum |
4. | Metabolise the sugars provided by the semen for energy |
Which is a true statement about luteinizing hormone in the female reproductive system?
1. | It inhibits ovulation. |
2. | It causes mitosis of the primary oocyte. |
3. | It is produced by the hypothalamus |
4. | It is responsible for mediating the production of estrogen and progesterone simultaneously. |
Which of the following is secreted only during the luteal phase of a menstrual cycle ?
1. LH
2. FSH
3. Estrogen
4. Progesterone
In the process of oogenesis, a polar body:
I. is formed before fertilization.
II. is formed after fertilization.
III. normally receives most of the cytoplasm of the cell.
1. Only I is correct
2. Only II is correct
3. Only I and II are correct
4. I, II, and III are correct
Which event is incorrectly matched with the time of its occurence [with respect to a 28 days menstrual cycle]?
1. Beginning of the menstrual flow - Day 1
2. Ovulation - Day 14
3. Beginning of the proliferative phase - Day 5
4. Peak secretion of estrogen - Day 22
Which human male accessory reproductive duct receives a duct from the seminal vesicle?
1. Rete testis
2. Vas deferens
3. Epididymis
4. Urethra
In the male human being, sperms contain autosomes and
1. Only one Y-chromosome
2. Only one X-chromosome
3. Both X and Y-chromosome
4. Either X or Y-chromosome
Which of the following is characteristic for identifying the structure of the mammalian testis?
1. | Spermatogonia | 2. | Spermatocytes |
3. | Cells of Sertoli | 4. | Spermatids |
In the vertebrates testes, for nourishment during spermiogenesis, the spermatids get attached to
1. | Interstitial cells | 2. | Sperm-mother cells |
3. | Spermatocytes | 4. | Sertoli cells |
The menstrual cycle begins with the casting off of
1. | Placenta |
2. | Blood |
3. | Endometrial lining along with blood vessels |
4. | All the three |