LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034  M.Sc. DEGREE EXAMINATION – ZOOLOGY

AF 23

THIRD SEMESTER – NOV 2006

ZO 3952 – IMMUNOLOGY

 

 

Date & Time : 30-10-2006/9.00-12.00         Dept. No.                                                       Max. : 100 Marks

 

 

 

PART – A                                          2 x 10 = 20  Marks

I           Answer ALL the questions.

1. What is peyer’s patches?
2. What is the significance of cytokines?
3. Expand PEG
4. Differentiate between innate and acquired immunity.
5. What is epitope?
6. Comment on heptens
7. What is immune response?
8. Differentiate between monoclonal antibody from polyclonal antibody?
9. Explain MHC
10. What are mast cells?

 

 

PART – B                                    4 x 10 = 40 Marks

II         Answer any FOUR of the following

11. Write a note on vaccines and their schedule intervals.
12. Explain the role of B and T lymphocytes
13. Write a note on primary and secondary lymphoid organs in man.
14. Explain the process of haemopoiesis.
15. How is monoclonal antibodies produced.
16. What are antigenic determinants on immunoglobulin.

 

 

PART – C                                    2 x 20 = 40 Marks

III        Answer any TWO of the following

 

17.Write an essay on organization and inheritance of MHC.

18.What are the different hypersensitive reactions.

19 Give in detail the classification of immunoglobulins.

20. Write an essay on bacterial infection and immunity in man..

 

 

 

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