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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The commonly used media for submerged bacterial fermentation at commercial scale is

germinated seed
beet molasses
none of these
liver extract

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Industrially Useful Microbial Processes
The sugar concentration of molasses used in fermentation should be

20-30%
30-38%
4-5%
10-18%

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Industrially Useful Microbial Processes
Bacitracin, an antibiotic similar to penicillin, is produced by

Bacillus licheniformis
Bacillus polymyxa
Aspergillus fumigatus
Streptomyces erythreus

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Industrially Useful Microbial Processes
Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by

all of these
A. oryzae
A.flavus
A. niger

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Industrially Useful Microbial Processes
Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?

(NH4)2 HPO4
CaCO3
Na2SO4
MgSO4

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Industrially Useful Microbial Processes
Which of the following is a heterofermentative micro-organism?

Lactobacillus delbrueckii
Lactobacillus bulgaricus
Leuconostoc mesenteroides
Lactobacillus pentose

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