M.Sc. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2017.
First Semester
Paper I CELL BIOLOGY
(Common for Biochemistry, Biotechnology, Botany, Microbiology and Zoology Courses)
2 15011 A
Time 3 Hours Max. Marks 70
SECTION — A
Answer any SIX questions. 5 30 Marks)
Short answer questions.
1. Micro bodies.
2. Neuronal cells.
3. Intermediate filaments.
4. Nucleation.
5. Cyclic GMP.
6. Desmosomes.
7. Cell death.
8. Cyclins.
SECTION — B
Answer ALL questions. 10 40 Marks)
9. Describe the structure and functions of Chloroplasts.
Or
Describe the structure and functions of plant cell wall.
10. Write an account on the organization of Eukaryotic Chromosomes.
Or
Describe the structure and organization of Microtubules.

11. Explain different types and role of proteins.
Or
Write an account on cell surface receptors and intracellular receptors..
12. Describe Eukaryotic cell cycle.
Or
Describe the causes of cancer and approaches to cancer treatme