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
(Development Biology)
Annual Examination, 2016
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 process of vitellogenesis.
2. Give an account of events that lead to differentiation of sperms and eggs during
gamesotogenesis.
3. Describe structure of matured mammalian gametes.
4. Give an account of different patterns of cleavage.
5. Write notes on any Two of the following:
Acrosome formation.
Graffien follicles
Telolecithal eggs.
Blastula formation
GROUP
6. Describe the method of bone marrow transplantation.
7. Describe the pattern of cell movement during gastrulation in vertebrates.
8. Give an account of juvenile hormone in insect metamorphosis.
9. Describe the role of ecdysome in insects metamorphosis.
10. Write notes on any Two of the following:
Neurulation
Stem Cells
Juvenile hormone
Bone marrow