Q. No.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 |
A big advantage of the evolution of internal fertilization is:
| 1. | need for large number of gametes to be produced |
| 2. | fetuses to be kept warm, moist, nourished, and protected inside the mother |
| 3. | synchronous release of gametes by both sexes |
| 4. | prevention of dehydration of gametes |
In vertebrate eggs with large yolks, cleavage is described as _______ and results in a ________ on top of the yolk.
1. meroblastic/trophoblast
2. holoblastic/blastodisc
3. meroblastic/blastodisc
4. meroblastic/blastomere
Cells forming the outer layer of a blastocyst, which provide nutrients to the embryo and develop into a large part of the placenta are:
1. trophoblast
2. inner cell mass
3. interstitial cells
4. balstomeres
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Till approximately what gestation age is the use of the term ‘embryo’ justified?
1. week
2. two weeks
3. month
4. two months
The number of accessory reproductive glands that contribute to the seminal plasma is:
1. one
2. two
3. three
4. ten
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The testis has many lobes each containing 1 – 3 curved:
1. efferent ductules
2. Leydig cells
3. seminal vesicles
4. seminiferous tubules
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