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Industrially Useful Microbial Processes

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

a combination of both
aerobic process
anaerobic process
None of these

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Industrially Useful Microbial Processes
Which of the following microorganism produces only L(+) - lactic acid without further racemization ?

Leuconostoc mesenteroides
Lactobacillus bulgaricus
Lactobacillus delbrueckii
Rhizopus oryzae

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

120 proof
110 proof
170 proof
190 proof

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Industrially Useful Microbial Processes
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are

plant pathogens
human pathogens
none of these
plant mutants

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Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

racemase
invertase
dehydrogenase
isomerase

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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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