Immunology: Understanding the body’s defense mechanisms — DU B.Sc. (Hons.) Zoology Previous Year Question Papers

: ZOO-GE-19 Immunology: Understanding the body's defense Draw well labelled diagrams wherever required. 2. 3. 1. (a) Define (Any four): (i) Adaptive immunity (b) Distinguish between (Any three): (i) (ii) Humoral immunity and cell-mediated immunity (iii) Active immunity and passive immunity (iv) Primary immunodeficiency and Secondary immunodeficiency (c) Expand the following (Any four): (d) Give the immunological signiflcance: (iii) GALT (a) Describe in detail the structure and functions of primary lymphoid organs. (8) a) Elaborate the classical pathway and altemative pathway of complement system. (a) What are MHC molecules? Describe the structure and function of class I and (b) What are precipitation reactions? Discuss the principle and applications of the techniques based on precipitation reactions. 4. 5. 6. (a) Describe the basic structure of an immunoglobulin and discuss the various classes of immunoglobulins. Substantiate with suitable diagrams. (8) (a), What is radioimmunoassay? Elaborate the technique and write its applications. (9) \ ¢')' What is inflammation? Elucidate its immunological signiflcance. Write short notes on (any THREE): (b) Type I Hypersensitivity (c) Clonal selection theory (e) Endocytic pathway of antigen processing