LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc DEGREE EXAMINATION – BIOMED. INSTRUMENTATION SC.
SECOND SEMESTER – APRIL 2012
BI 2953 – MICROBIAL TECHNOLOGY
Date : 24-04-2012
Time : 9.00-12.00
Dept. No.
Max. : 100 Marks
SECTION - A
Answer ALL the questions:
(10 x 2 =20marks)
1. Name any two chemotherapeutic agents used in the control of microorganisms.
2. Comment on Candida albicans.
3. Define hypersensitive reactions. Give examples.
4. Write the diagnostic markers for hepatitis C virus.
5. What are the biochemical properties of a bacterial cell?
6. Define primary screening technique.
7. Differentiate Batch from Fed Batch fermentation process.
8. Draw a Bacterial Growth Curve.
9. Give examples of any four downstream processes.
10.Name the organism involved in production of citric acid and proteases.
SECTION-B
Answer any FOUR questions:
11.
12.
13.
14.
15.
16.
(4x10=40 marks)
Explain the pathology of bacterial infection by Streptococcus pyogenes.
Write an account on culture media and culture techniques.
Describe the structure and antibiotic properties of penicillin and chloramphenicol.
Discuss the parameters which control the process of production.
What are antibiotics? Explain the production of any one in detail.
How microbes are involved in spoilage of various meat products?
SECTION-C
Answer any TWO questions:
17.
18.
19.
20.
(2x20=40 marks)
Write an account on assays and applications of immune response.
Give the classification of bacterial stains and staining techniques with examples.
Explain and justify microbes as good agents to produce vitamins.
Elaborate on the various types of fermentors and fermentation process.
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