Q. No.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
Changes in the ovary and the uterus, during the menstrual cycle, are induced by the changes in the levels of secretion of:
| 1. | Ovarian hormones | 2. | Pituitary hormones |
| 3. | Both | 4. | None |
Zona pellucida is a membrane surrounding:
| 1. | Secondary oocyte | 2. | Secondary follicle |
| 3. | Corona Radiata | 4. | Trophoblast cells |
What ensures that only one sperm can fertilize the ovum?
1. Corona Radiata
2. Ground substance around ovum
3. Zona pellucida
4. Acrosome
Fertilization occurs at:
1. Infundibulum of the fallopian tube
2. Ampullary – isthmic junction of the fallopian tube
3. Fundus of the uterus
4. Body of the uterus
What is the usual number of primary follicles in both ovaries of a female at puberty?
| 1. | 60000 – 80000 | 2. | 120000 – 160000 |
| 3. | 1 million to 2 million | 4. | About 7 million |
In humans, the sex of the baby is determined:
| 1. | At the time of fertilization and by the father |
| 2. | At the time of fertilization and by the mother |
| 3. | At the time of implantation and by the father |
| 4. | At the time of implantation and by the mother |
At the birth of the female child, the follicles in her ovaries contain:
| 1. | Primary oocytes that have been arrested at the S phase of the cell cycle |
| 2. | Primary oocytes that have been arrested at prophase I of meiosis I |
| 3. | Secondary oocytes that have been arrested prophase I of meiosis I |
| 4. | Secondary oocytes that have been arrested at metaphase II of meiosis II |
During the follicular phase of the menstrual cycle, which of the following occur?
| I: | The primary follicle grows and becomes a fully mature Graafian follicle. |
| II: | The endometrium of the uterus regenerates through proliferation. |
2. Only II
3. I and II
4. None
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