M.Sc. (Semester III) (CBCS) Examination Oct/Nov-2017
Microbiology
BIOPROCESS TECHNOLOGY AND FERMENTATION TECHNOLOGY
Day Date: Saturday, 18-11-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Instructions: Part- Questions No.1 Compulsory.
Attempt any 4 questions from Part II.
Figures to the right indicate full marks.
PART I
Q.1 Choose the correct alternative given in the bracket. 14
Micro bialy produced nucleosides and nucleotides are widely used as
enhancers in food.
Taste Aroma
Flavor Texture
Streptomycin is acting against
Protozoa Gram+ve and Gram-ve bacteria
Viruses Mycoplasma
Xanthan is produced by using
Xanthomonas campestris Xanthomonas citri
Leuconostoc mesenteroides Streptococcus lentes
technique is used for preservation of production strains.
Incubation Lyophillization
Isolation Pasteurization
In fermentor agitation of medium is done by
Spargers Baffles
Nozzles Impellers
used as precursor for penicillin production.
Lactic acid Acetic acid
Phenylacetic acid Ethanol
waste product from dairy industry.
Whey Molasses
CSL SWL
Prevention of thrombosis can be done by in medical field.
Mannan Pullulan
Xanthan Dextran s
Brandy is produced by distillation of
Wine Beer
Vinegar Ethanol
Page 2 of 2
SLR-MQ-593
10) white button mushroom.
A. campestris A. bisporus
V.volvacea Pleurotus spp.
11) Transformation of progesterone to 11∝-Hydroxyproges- terone is carried out

Str-griseus Piniger
Rhizopus nigricans Curvularia lunata
12) used for screening of production strains.
Water Sewage
Air Soil
13) crude organic antifoam agent.
Lard oil Silicon compound
Citric acid Acetic acid
14) used for toxicity testing of health care products. s
Monkeys Horses
Cats Mice
PART II
Q.2 Describe in detail "Downstream processing" 14
Q.3 Explain in detail industrial production of streptomycin. 14
Q.4 Describe in detail construction and working of Bioreactor. 14
Q.5 Write in short on any Two of the following: 14
Biosensors for maintaining environmental parameters.
Control of metabolic pathways
Fermentation media.
Q.6 Write short notes on any TWO of the following: 14
Bio safety
Production of mushroom
Intellectual property rights.