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Industrially Useful Microbial Processes

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

sulfuric acid
oxalic acid
citric acid
uric acid

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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

invertase
racemase
isomerase
dehydrogenase

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Industrially Useful Microbial Processes
Cycloserine may be isolated from the cultures of

S. orchidaceus
S. garyphalus
S. lavendulae
All of these

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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

70%
99%
95%
60%

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Industrially Useful Microbial Processes
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

Propionibacterium
Pseudomonas
Acetobacter
both (a) and (b)

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Industrially Useful Microbial Processes
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Citric acid
Lysine
Gluconic acid
Galactosidase

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