What ensures that only one sperm can fertilize the ovum?
1. | Corona Radiata | 2. | Ground substance around ovum |
3. | Zona pellucida | 4. | Acrosome |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
The trophoblast cells of the blastocyst form:
1. | Embryo | 2. | Umbilical cord |
3. | Placenta | 4. | Teratoma |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Implantation in humans occurs at the stage of:
1. | Zygote | 2. | Morula |
3. | Blastocyst | 4. | Gastrula |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
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 |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
Which of the following is not produced in the woman only during pregnancy?
1. | hCG | 2. | hPL |
3. | Relaxin | 4. | Oxytocin |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.
In human beings, the embryo heart is formed about after ________ of pregnancy.
1. | One month | 2. | Two months |
3. | First trimester | 4. | Second trimester |
To unlock all the explanations of this course, you need to be enrolled.
To unlock all the explanations of this course, you need to be enrolled.