Anna University Immunology Question Paper

Anna University Immunology Question Paper


Time: 3hrs                                                                                          Max Marks: 100

Answer ALL Questions                                                                 PART – A (10 x 2 = 20 marks)

1. Define antigens

2. What is the difference between a hapten and antigen

3. Describe the characteristics of innate immunity

4. Describe anti idiotypic antibodies

5. Explain autoimmunity

6. Describe a method to identify human T cells

7. Explain immune complex mediated hypersensitivity reactions

8. Explain immunological tolerance

9. Describe the biological functions of Interleukin I (IL 1)

10. Explain Mixed Lymphocyte Reaction.


PART – B (5 x 16 = 80 marks)

Question 11 is Compulsory


11.       Describe the structure and function of the thymus and spleen


12.       Describe the structure, characteristics and functions of IgG




How will you raise and antiserum against BSA and measure its titre.


13.       Explain the concepts of antigen processing and presentation with a suitable example.


Table of Contents


            Describe the events that lead to T cell activation in humans following an entry of a pathogen.


14.       Describe the characteristics and functions of macrophages




            Explain the mechanisms of pathogenesis of tumor


15.       Write notes on any two:

a)                  AIDS

b)                  Monoclonal antibodies

c)                  Gamma interferon

Anna University Immunology Question Paper


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