Q. No.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 |
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 |
Which of the following is not produced in the woman only during pregnancy?
| 1. | hCG | 2. | hPL |
| 3. | Relaxin | 4. | Oxytocin |
In human beings, the embryo heart is formed about after ________ of pregnancy.
| 1. | One month | 2. | Two months |
| 3. | First trimester | 4. | Second trimester |
The signals of fetal ejection reflex originate from:
1. Maternal pituitary
2. Maternal hypothalamus
3. Fully developed fetus and placenta
4. Fetal pituitary
The milk produced during the initial few days of lactation, called colostrum, is essential for the newborn as colostrums contains:
| 1. | a Large amount of glucose | 2. | Anti-infective antibodies |
| 3. | Fats | 4. | Various hormones |
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