N A L A N D A O P E N U N I V E R S I T Y
M.Sc. Zoology, Part-II
PAPER-XIII
(Developmental Biology)
Annual Examination, 2018
Time: 3 Hours. Full Marks: 80
Answer five questions in all, selecting at least Two Questions from each Group.
All Questions carry equal marks.
GROUP
1. Describe the differentiation of Primodial germ cells in vertebrates.
2. Describe the structure of matured mammalian gametes.
3. Write an essay on early development of vertebrates.
4. What do you mean by vitellogenesis Discuss in detail.
5. Write notes on any Two of the following:—
Ovulation
Neurulation
Macrolecithal egg
Copulation
GROUP
6. Define metamorphosis Discuss the physiological and biological metamorphic changes in Amphibians.
7. Give an account of role of ecdysone in insect metamorphosis.
8. Describe the method of bone marrow transplantation.
9. Describe characteristic features of application of Stem Cells.
10. Write notes on any Two of the following:—
Totipotency of cell
Juvenile hormone
Adult stem cell
External fertilization