M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Microbiology
Core X INDUSTRIAL MICROBIOLOGY
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. Protoplast fusion
2. Auxonography technique
3. Role of impeller in fermenter
4. Viscosity
5. Inoculum
6. Batch culture
7. Mention any four acetic acid producing microbes
8. Define Methanogenesis
9. Pyrogenic test
10. Drying
Sub. Code
530303
RW-879
2
ws2
Part B x 5 25)
Answer all questions choosing either or
11. Comment on parasexual reproduction for strain
improvement.
Or
Write briefly about freeze drying.
12. Explain the mass transfer co-efficient.
Or
What are the important characters that are
required for ideal fermentor design?
13. Give brief account on methods of enzyme
immobilization.
Or
Write about the method of preparation of inoculum
for filamentous organisms.
14. What are the applications of amylase enzyme?
Or
Write brief account on production of beer.
15. How will you manage quality control of fermented
products?
Or
Write a note on market potential.
RW-879
3
ws2
Part C x 10 30)
Answer any three questions.
16. Explain the process of strain improvement through
r-DNA technique.
17. Give a detailed account on computer applications in
fermentation technology.
18. Write down the sequence of process of large scale
production of citric acid.
19. Mention and explain the different types of
chromatography and its applications.
20. Write in detail the various methods for media
sterilization.
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