DISTANCE EDUCATION
M.Sc. (Zoology) DEGREE EXAMINATION, MAY 2018.
MICROBIOLOGY AND IMMUNOLOGY
Time Three hours Maximum 100 marks
SECTION A — x 8 40 marks)
Answer any FIVE questions.
1. Enumerate the key characters of fungi.
2. Write notes on
Serial dilution technique
Pour plate method
3. What is fermentation? Explain briefly the growth phase
of fermentation.
4. Comment on the functions of structure of a lymph node
with a neatly labeled diagram.
5. Explain the salient features of primary and secondary
immune responses.
6. Give a brief account on the functions of IgG.
7. Write notes on
Grave's disease
Rhematoid arthritis
8. What is immunoelectrophoresis? Explain the principle
and applications of immunoelectrophoresis.
Sub. Code
23
DE-4172
2
Sp 2
SECTION B — × 15 60 marks)
Answer any FOUR questions.
9. What is Gram staining? How is Gram staining used to
differentiate bacteria?
10. List out the major sources of bacterial contamination in
milk.
11. Give an account on the importance of three major events
in complement activation classical pathway.
12. What are the desirable features of a vaccine? Explain the
method of preparation of any two vaccines.
13. What is MHC? Describe the organization and activities of
class I and class II MHC molecules in human.
14. Discuss the structural and functional features of
antigens.
15. Give a detailed account on functional differentiation of Blymphocytes.