M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Biotechnology
Core II MICROBIOLOGY
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Bergey's manual
2. Differentiate clone and strain
3. Define the term Virion
4. Name the major nutritional types of prokaryotes
5. Define toxin
6. Reservoir for infectious agent
7. T-RFLP
8. Write the disadvantages of culture dependent method
9. Symbiosis
10. Extremophiles.
Sub. Code
501102
RW-831
2
Ws15
Part B x 5 25)
Answer all questions by choosing either or
11. Explain the Domain and kingdom concept in the
classification of microorganism.
Or
Write the important contributions of Louis Pasteur.
12. Explain the cell morphology of Bacteria with
diagrams.
Or
Write the general characters of Prions.
13. Narrate the salient features of the bacterial
pathogen Staphylococcus.
Or
What is the purpose and procedure for drug
sensitivity test?
14. What are the advantages and disadvantages of
culture independent method microbial community
analysis?
Or
Explain the technique Amplified Ribosomal DNA
Restriction Analysis.
15. Write the role of microbes in the degradation of
plastics and Xenobiotics.
Or
What are the Role of Microbes in Biological control?
RW-831
3
Ws15
Part C x 10 30)
Answer any three questions.
16. Discuss the diversity of Prokaryoic microorganisms.
17. Explain the general properties of viruses.
18. Describe the mechanism of Bacterial pathogenicity.
19. Write an essay on Metagenomics.
20. Describe the benefits of probiotics.
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