M. Sc. (Biotechnology) (Semester (CBCS) Examination, 2017
INDUSTRIAL AND ENVIRONMENTAL BIOTECHNOLOGY
wateriI
Day Date: Friday, 21-04-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
N.B. 1)section-I compulsory.
Answer any Four questions from section II
Section-I
Q.1 Multiple Choice Questions 07
The method for preservation of biological component by
dehydrating it at lower temperature is called
Cryopreservation Lyophilisation
Freezing drying Both B C
2 The Production of algal biomass can be done by
Fluidized bioreactor Fixed bed bioreactor
Pulsed bioreactor Photo bioreactor
3 acts as a nitrogen source in fermentation medium
Molasses Hydrocarbons
Acid wood hydrolysate Corn steep liquor
4 Out of following is found to be most carcinogenic
PAH Heavy metals
Textile dyes Air Pollutants
5 Phenyl acetic acid acts as a precursor for the production of

Penicillin V Penicillin G
Penicillin M Cyclosporin
6 In Bioreactors used to prevent vortex formation
Spargers Impellers
Baffles Both B C
7 Amylase is a starch hydrolyzing enzyme can be obtained by

A. oryzae S. Cerevisiae
B. licheniformis Both A C
Define the following terms: 07
Bioreactor
Production medium
Production Strain
Page 2 of 2
Downstream processing
Bioremediation
Bioindicators
Xenobiotic
Section-II
Q.2 Give brief account of chromatographic techniques for purification of
desired product from fermented broth
14
Q.3 Write in details about treatment of the industrial effluent with labeled
diagrams
14
Q4 Discuss the on energy source involved in fermentation process 14
Q5 Answer any two of the following 14
Batch Fermentation
Citric acid production
Solid liquid separation
Q.6 Answer any two of the following 14
Non-conventional energy sources
Biosensor
Effect of heavy metals on environment