Q. No.Polar bodies:
1.
serve both as a dumping ground for extra sets of chromosomes and ensure that the ovum will have most of the cytoplasm.
2.
get rid of of defective sets of chromosomes.
3.
have no function.
4.
prevent twin pregnancies.
The term used to describe the changes that happen to the sperm inside the female reproductive tract that allows the sperm to become capable of fertilizing the egg is:
| 1. | spermiogenesis | 2. | the acrosomal reaction |
| 3. | capacitation | 4. | implantation |
Identify the correct chronological order of the events given:
| 1. | acrosomal reaction, decidual reaction, capacitation, implantation, cleavage |
| 2. | acrosomal reaction, capacitation, cleavage, decidual reaction, implantation |
| 3. | capacitation, implantation, cleavage, acrosomal reaction, decidual reaction |
| 4. | capacitation, acrosomal reaction, cleavage, implantation, decidual reaction |
Oxygen rich blood and nutrients are transported to the fetus by:
| 1. | inferior vena cava | 2. | umbilical vein |
| 3. | umbilical artery | 4. | hepatic portal vein |
Erythropoiesis in the earliest days of gestation is the function of:
| 1. | yolk sac | 2. | chorion |
| 3. | fetal bone marrow | 4. | amnion |
A second pregnancy during an ongoing pregnancy is prevented by:
| 1. | Estrogen | 2. | HPL |
| 3. | progesterone | 4. | HCG |
Type B spermatogonia divide to form:
| 1. | Type A spermatogonia. | 2. | spermatids. |
| 3. | a primary spermatocyte. | 4. | a secondary spermatocyte |
Identify the cell that can be seen in primordial, primary, secondary and tertiary follicle :
| 1. | oogonium | 2. | primary oocyte |
| 3. | secondary oocyte | 4. | ovum |
The number of mature ova produced by a young, healthy, nonpregnant adult woman each year would be:
| 1. | 0 | 2. | 6 |
| 3. | 12 | 4. | 24 |
Identify the correct statement:
| 1. | GnRH stimulates the production of estrogen [in females] or testosterone [in males] directly |
| 2. | LH stimulates ovulation (female) or spermatogenesis (male) |
| 3. | FSH initiates and maintains the development of accessory sex organs (both sexes) |
| 4. | estrogen stimulates oogenesis (female only) |
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