B.Sc. I (Semester II) (Entrepreneurship) (CBCS) Examination, 2018
Industrial Microbiology I
Fundamentals of Industrial Microbiology
Day and Date Monday, 26-11-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
N.B. All questions are compulsory and carry equal marks.
Draw a neat labeled diagram wherever necessary.
Figure to the right indicates full marks.
1. Rewrite the following sentences by choosing correct alternatives from given
below. 14
Cobalt chloride is precursor used during production.
Penicillin Acetic acid
Vitamin B12 Sodium chloride
ii) Baffles are used to avoid the formation.
Acid Base Foam Vortex
iii) The process that eliminates all forms of life including spores and other
biological agent is known as
Lyophilization Sterilization
Growth Disinfection
iv) is an example of batch filtration process.
Stage Rotary vacuum drum
Plate and Frame Basket
Penicillin technique is used to isolate and selection of strain.
Auxotrophic Pathogenic
Neutral Acidic
Set P
SLR-SK 16 *SLRSK16*
Set P
vi) Starch is mainly used as a carbon source during production.
Amylase Citric acid
Ethanol Amino acid
vii) technique is used in screening of growth factor
producers.
Crowded plate pH indicating dye
Replica Plate Streak plate
viii) process used at all scales of operation to separate
suspended particles from a liquid or gas, using a porous medium.
Filtration Centrifugation
Precipitation Streak
ix) In alcoholic beverages production is mainly used microbial
source.
E.coli B.subtilis S.cerevisae A.niger
AISI 316 grade steel contains chromium.
08 10 01 18
xi) is a process in which water is removed from a product after it
is frozen and placed under a vacuum, allowing the ice to change directly
from solid to vapor without passing through a liquid phase.
Lyophilization Growth
Sterilization Disinfection
xii) Primary metabolites are mainly produce in growth
phase.
Stationary Idio Synthetic Tropho
xiii) is used in fermenter to provide sterile air.
Baffle Sparger Agitator pH
xiv) is the raw material used for ethanol production.
Beef extract Peptone Molasses Agar
*SLRSK16* SLR-SK 16
Set P
2. Attempt any seven of the following. 14
Define fermenter.
ii) Enlist the precursors used in fermentation media.
iii) Define precursors.
iv) Define screening.
Define Industrial Microbiology.
vi) Define Sterilization.
vii) Define Antifoam agent.
viii) Define Antibiotic.
ix) Sketch neat labeled diagram of fermenter.
3. Answer any two of the following. 10
Explain fermentation process in brief.
ii) Explain in detail sterilization of fermentation media.
iii) Discuss in brief isolation and preservation of industrially important
microorganisms.
Describe in brief scope of Industrial Microbiology. 4
4. Answer any two of the following. 14
What is screening Explain with suitable example, primary screening.
ii) Describe in detail raw material used in fermentation media.
iii) Describe in detail factors affecting fermentation process.
5. Attempt any two of the following. 14
Explain different techniques used in a secondary screening.
ii) Explain in detail history of industrial microbiology.
iii) Explain in detail different types of fermenter used in fermentation
industry.