Corpus luteum secretes large amounts of:
1. | LH | 2. | FSH |
3. | Progesterone | 4. | Estrogen |
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
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 |
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. |
1. | Only I | 2. | Only II |
3. | I and II | 4. | None |
Morula is a solid ball of cells during early embryonic development and consists of:
1. | 4 – 8 cells | 2. | 8 – 16 cells |
3. | 24 – 30 cells | 4. | 60 – 72 cells |
The trophoblast cells of the blastocyst form:
1. | Embryo | 2. | Umbilical cord |
3. | Placenta | 4. | Teratoma |
Implantation in humans occurs at the stage of:
1. | Zygote | 2. | Morula |
3. | Blastocyst | 4. | Gastrula |
The first movements of the fetus and the appearance of hair on the head are usually observed during:
1. | 2nd month | 2. | 3rd month |
3. | 5th month | 4. | 6th month |