MCQs On Human Reproduction

Here Are Some MCQs On Human Reproduction

1. ___ is a lytic enzyme released by the sperm.

1. Hyaluronidase
2. Helicase
3. Trypsin
4. None of the above

 

2. How many autosomes does a human primary spermatocyte have?

1. 34
2. 44
3. 54
4. 33

 

3. Where does the ovum receive the sperm?

1. Animal pole
2. Zona pellucida
3. Vegetal pole
4. None of the above

 

4. ___is an organelle that helps the sperm to penetrate the ovum.

1. Zona pellucida
2. Megalis
3. Acrosome
4. None of the above

Feedback: The acrosome is a unique membranous organelle located over the anterior part of the sperm nucleus that is highly conserved throughout evolution. This acidic vacuole contains a number of hydrolytic enzymes that, when secreted, help the sperm penetrate the egg’s coats.

 

5. Umbilical cord contains ____

1. Pluripotent stem cells
2. Cord blood stem cells
3. Blood stem cells
4. None of the above

 

6. How does human sperm locomote?

1. Flagella
2. Cilia
3. Neutrophils
4. None of the above

Feedback: The tail of the sperm contains the flagellum that confers motility upon the sperm. Thus, human sperm locomotes with the help of flagella that get energy from mitochondria.

 

7. Cryptorchidism is a condition where ___.

1. One of both testes are not developed
2. One or both testes fail to descend into the scrotum
3. One or both testes are not formed
4. None of the above

 

8. —–is a condition in which there is no sperm found in the semen.

1. Oophorectomy
2. Azoospermia
3. Cryptorchidism
4. None of the above

 

9. —- is the process of removal of one or both ovaries. Removal of ovaries is mostly done under the condition of the onset of ovarian cancer. 

1. Oophorectomy
2. Azoospermia
3. Cryptorchidism
4. None of the above

Feedback: Cryptorchidism is the condition in which the testes do not descend into the scrotum. The primary sexual characters in males are affected due to this condition as the scrotum offers the environment for the generation of sperms. Azoospermia is a condition in which there is no sperm found in the semen. Male hormones are not reactive due to male hormonal imbalance that occurs when an individual suffers from andropause. Oophorectomy is the process of removal of one or both ovaries. Removal of ovaries is mostly done under the condition of the onset of ovarian cancer.

 

10. The hormone that is released from the testes is __.

1. Progesterone
2. Vasopressin
3. Testosterone
4. None of the above

 

11. Bidder’s canal receives ____.

1. Eggs
2. Sperms
3. Ammonia
4. Oxygenated blood

Feedback: Bidder’s canal is present inside the kidney of the frog. It receives sperms from testes via a number of vasa efferentia.

 

12. Acrosome is filled with ___.

1. Lipids
2. Hormones
3. Digestive enzymes
4. None of the above

 

13. _____ is an example of an oviparous animal

1. Pidgeon
2. Elephant
3. Sheep
4. None of the above

Feedback: Oviparous Animal: The animals which give birth to their young ones through eggs are called oviparous animal. Eg, fishes and frogs.

 

14. The _________ is a temporary organ that connects a mammalian mother to its foetus

1. Placenta
2. Chorion
3. Endometrium
4. None of the above

15. The ________ is an ovoviviparous animal

1. Basking shark
2. Bonobo
3. Blue shark
4. None of the above