Q. No.The menstrual cycle starts with the:
1. Follicular phase 2. Menstrual phase 3. Ovulatory phase 4. Secretory phase
Cleavage is:
| 1. | Dissolution of the zona pellucida |
| 2. | A specialized mitotic division in the late fetus |
| 3. | A specialized meiotic division in the late fetus |
| 4. | A specialized mitotic division in the zygote and early embryo |
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 |
During pregnancy, the levels of thyroxin:
1. Increase several folds in maternal blood
2. Increases several folds in fetal blood
3. Decreases several folds in maternal blood
4. Decreases several folds in fetal blood
The fetus develops limbs by the end of:
1. One month of pregnancy
2. Two months of pregnancy
3. First trimester of pregnancy
4. Second trimester of pregnancy
The correct sequence of development of embryonic stages in humans is:
| 1. | Zygote → Blastula → Blastocyst |
| 2. | Zygote → Gastrula → Blastula |
| 3. | Zygote → Blastocyst → Gastrula |
| 4. | Zygote → Gastrula → Blastocyst |
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 |
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