BZYET-141 EM 2024 SOLVED ASSIGNMENT

Description

Bachelor’s Degree Programme
(BSCG)
(Immunology)
ASSIGNMENT
Course Code: BZYET-141
Assignment Code: BZYET-141/TMA/2024
Maximum Marks: 100
Note: Attempt all questions. The marks for each question are indicated against it.
1. Define the following terms:
i) Epitope
ii) Autoimmunity
iii) Heavy chain of antibody
iv) Agglutination
(2½×4=10)
2. Write short notes on the following:
i) Phagocytosis
ii) Bursa of Fabricius
iii) RNA Vaccines
iv) Opsonisation
(2½×4=10)
3. Differentiate between the following pairs of terms:
i) MHC class-I and II molecules
ii) B cell and T cell
iii) Active immunity and Passive immunity
iv) Allergy and Hypersensitivity
(2½×4=10)
4. a) Write any five function of macrophage.
b) How does antigen lysis occur by alternate pathway of the complement
system? Discuss in brief.
(5×2=10)
5. Explain any three immunological techniques with suitable examples and
diagram.
(10)
6. Discuss different cytokines that act as mediators of innate and adaptive
immune systems.
(10)
7. a) Describe the major events of the B-Cell maturation brief.
b) Explain the neutralization mechanism of bacteria by antibodies.
(5×2=10)
8. a) What are the different types of hypersensitivity according to Gell and
Coombs?
b) Explain the principles of ELISA (Enzyme Linked Immunosorbent
Assay).
(5×2=10)
4
9. a) Define antibodies and draw the structure of immunoglobulin with
labelled diagram.
b) Explain the significance of the different classes of antibodies.
(5×2=10)
10. Describe the structure of bone marrow with a neat and well-labelled
diagram.