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Industrially Useful Microbial Processes

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

human pathogens
plant pathogens
plant mutants
none of these

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Industrially Useful Microbial Processes
Chlorotetracycline a broad spectrum antibiotic is produced by

Streptomyces rimosus
Streptomyces venezuelae
Streptomyces aureofaciens
Streptomyces erythreus

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

Pseudomonas
Propionibacterium
Acetobacter
both (a) and (b)

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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%
95%
70%

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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
isomerase
dehydrogenase
invertase

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

Lysine
Galactosidase
Gluconic acid
Citric acid

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