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

AF 08

FIFTH SEMESTER – NOV 2006

ZO 5401 – IMMUNOLOGY

(Also equivalent to ZOO 401)

 

 

Date & Time : 06-11-2006/9.00-12.00         Dept. No.                                                       Max. : 100 Marks

 

 

PART – A                                          2 x 10 = 20  Marks

I           Answer ALL the questions.

1. What is meant by immune response?
2. Differentiate between passive and active immunity?
3. Explain manifestation of measles.
4. Differentiate between allograft and xenograft.
5. What is HAT medium?
6. Comment on lymph nodes.
7. What are natural killer cells?
8. What are interferons?
9. What are the manifestations of tetanus?.
10. Expand BCG and its significance.

 

PART – B                                    4 x 10 = 40 Marks

II         Answer any FOUR of the following

11. What are the antigens of micro organisms?
12. Explain the different lymphatic organs of man.
13. Write a note on haemopoiesis

14   Comment on immunity against fungal infection.

15   Write a note on monoclonal antibodies.

16   What are vaccines and their schedule intervals?

 

PART – C                                    2 x 20 = 40 Marks

III        Answer any TWO of the following

 

17. Write an essay on protozoan infections and immunity in man.
18. Write an essay on grafts and graft rejection.
19. Describe different types of immunoglobulins.
20. Write an essay on AIDS and its present status in India.

 

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