Acharya Nagarjuna University (ANU) 2005 M.Sc Microbiology VI - IMMUNOLOGY AND CELLULAR - Question Paper

M.Sc. (Final) DEGREE EXAMINATION, DECEMBER 2005.
Second Year
Microbiology
Paper VI - IMMUNOLOGY AND CELLULAR MICROBIOLOGY

Time : 3 hours Maximum : 100 marks

PART A - (5 x eight = 40 marks)
ans any 5 of the subsequent .
All ques. carry equal marks.

1. Cytokine activation.
2. Antigen - presenting cells.
3. CFT.
4. Rheumatoid factors.
5. Routes of bacterial invasion.
6. Superantigens.
7. Quorum sensing.
8. Programmed cell death.

PART B - (4 x 15 = 60 marks)
ans ALL 4 of the subsequent.
All ques. carry equal marks.

9. (a) provide an account on various kinds of granulocytic cells ? discuss the antimicrobial and cytotoxic activities of macropages.

Or

(b) Enumerate the cytokines produced by Th one and Th2 cells and discuss their biological activities.

10. (a) explain the structural and functional properties of various kinds of immunoglobulins.

Or

(b) provide a brief account on the 4 kinds of Hypersensitive reactions.

11. (a) define the consequences of the adhesion on both the bacterial and host cells.

Or

(b) define the mode of action of a few important gram - negative bacterial toxins.

12. (a) discuss the role of cyclic nucleotide 2nd messengers in the signal transduction pathways.

Or

(b) define the role of pathogenic bacteria in inducing the apoptotic program in their respective hosts.

Earning:   Approval pending.