Wednesday, 1 January 2020

DEPARTMENT OF MICROBIOLOGY III-B.SC., MICROBIOLOGY- INDUSTRIAL MICROBIOLOGY


DEPARTMENT OF MICROBIOLOGY
III-B.SC., MICROBIOLOGY- INDUSTRIAL MICROBIOLOGY
INTERNAL EXAMINATION-II (SET A)
Paper Code: 17UMBE03                                                                   Max Time: 3 hrs
Date:                                                                               Max Marks: 75
SECTION-A
I. Choose the correct answer for the following questions                                             10X1=10
1. Raw material for the production of ethanol is____ a) molasses (b) Cellulose (c) Sulphite liquor
 (d) None of these
2. ____ is used as phosphorous sources in media (a) Carbohydrates (b)Sulphite waste liquor(c)Molasses (d)None
3. _____aqueous byproduct in daily industries (a) Cheese (b) water (c) whey (d) none of these
4. Detergent is used for _____(a)  cell separation (b)protein separation  (c)separation (d)none
5. Cell lysis is an important operation of the product is____a) extracellular b) heat labile c) toxic (d) intracellular
6. If the product formed is extra cellular then the method which is not used
(a) osmosis (b)filtration  (c)chromatography (d)freeze thawing
7. After the fermentation is over, ethanol is recovered by____a) Distillation   b) centrifugation c) filtration d) agitation
8. ___is a product on conversion of alcohol to acetic acid by acetic acid bacteria a) acid  b)alcohol  c)Vineger d)ethanol
9. The Citric acid is an intermediate of ____cycle  a) Kreb’s b) TCA  c) glycolysis  d) a and b
10. ____is the yeast used for the fermentation of must a) S. cerevisiae  b) S. ellipsoideus c) Aspergillus  d) none
SECTION-B
II. Answer all the following questions                                                                                                            5X2=10
11. Write about the sources of media.            12. What are all the bioreactors used for solid state fermentation?
13. Define cell harvesting methods.                  14. Write about wine and its types.
15. Define brewing process.


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