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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The submerged fermentation of vinegar utilizes special fermentor designs known as

acetator
cavitator
packed vinegar generator
both (a) and (b)

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

Lactobacillus pentose
Lactobacillus delbrueckii
Lactobacillus bulgaricus
Leuconostoc mesenteroides

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Industrially Useful Microbial Processes
The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is

99%
60%
70%
95%

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Industrially Useful Microbial Processes
A major organic acid produced by a microbial process used in foods is

sulfuric acid
citric acid
oxalic acid
uric acid

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

beet molasses
none of these
liver extract
germinated seed

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Industrially Useful Microbial Processes
The production of acetic acid from ethanol is an

aerobic process
a combination of both
None of these
anaerobic process

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