During pregnancy:
1. | All events of menstrual cycle stop and there is no menstruation |
2. | Events of menstrual cycle continue but there is no menstruation |
3. | Events of menstrual cycle continue but there is menstruation only in the first trimester |
4. | All events of menstrual cycle stop and there is menstruation only in the first trimester |
Consider the following two statements:
I: | Not all copulations lead to fertilization and pregnancy |
II: | Fertilization can occur if the ovum and the sperms are simultaneously transported to the fallopian tubes. |
1. Both I and II are correct and II correctly explains I.
2. Both I and II are correct but II does not explain I.
3. I is correct but II is incorrect.
4. I is incorrect but II is correct.
The cavity of a tertiary follicle is called as:
1. | Antrum | 2. | Cumulus |
3. | Vitelline space | 4. | Sinusoid |
The peak levels of LH and FSH are observed on day _____ of a typical menstrual cycle.
1. | 6 | 2. | 14 |
3. | 22 | 4. | 28 |
In the absence of fertilization, corpus luteum:
1. | Stops secreting progesterone but increases the secretion of estrogen |
2. | Stops secreting estrogen but increases the secretion of progesterone |
3. | Increases the secretion of both progesterone and estrogen |
4. | Degenerates |
What happens when a sperm enters the cytoplasm of the secondary oocyte?
1. Release of first polar body
2. Completion of meiosis II
3. Degeneration of polar bodies
4. Dissolution of zona pellucida
The ovaries are located:
1. | In a sac outside the body | 2. | In the lower abdomen |
3. | In the upper abdomen | 4. | In the thorax |
Corpus luteum is:
1. Ruptured Graafian follicle
2. Released ovum surrounded by cells
3. Developing follicle
4. Enzyme-secreting structure in the ovary
LH surge:
1. | is a dramatic sudden increase in the levels of LH during the early part of menstrual cycle and is responsible for ovulation |
2. | is a dramatic sudden decrease in the levels of LH during the early part of menstrual cycle and is responsible for ovulation |
3. | is a dramatic sudden decrease in the levels of LH during the mid-menstrual cycle and is responsible for ovulation |
4. | is a dramatic sudden increase in the levels of LH during the mid-menstrual cycle and is responsible for ovulation |
Corpus luteum secretes large amounts of:
1. | LH | 2. | FSH |
3. | Progesterone | 4. | Estrogen |