Anna University Immunology Question Paper

Anna University Immunology Question Paper

VI SEMESTER – IMMUNILOGY

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

 

OR

 

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

OR

            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

 

OR

 

            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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