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Industrially Useful Microbial Processes

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

invertase
dehydrogenase
racemase
isomerase

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Industrially Useful Microbial Processes
Vinegar is a fermentation derived food product containing not less than

15% acetic acid
25% acetic acid
4% acetic acid
6% acetic acid

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

citric acid
sulfuric acid
oxalic acid
uric acid

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Industrially Useful Microbial Processes
Naringinase, an enzyme commonly used for removal of bitter taste from citrus juice is obtained from

A.flavus
S. cerevisiae
A. oryzae
A. niger

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

both (a) and (b)
Pseudomonas
Propionibacterium
Acetobacter

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Industrially Useful Microbial Processes
A major organism used in commercial bioleaching for copper recovery is

Aspergillus niger
Thiobacillus ferrooxidans
Pseudomonas aeruginosa
Desulfovibrio desulfuricans

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