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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 when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species?

Zn
Co
Ca
Ni

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Industrially Useful Microbial Processes
The recovery of vitamin from fermentation broth is carried out prior to

acidification
autolysis
alcohol treatment
none of these

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Industrially Useful Microbial Processes
Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by

A. oryzae
all of these
A.flavus
A. niger

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

Thiobacillus ferrooxidans
Aspergillus niger
Pseudomonas aeruginosa
Desulfovibrio desulfuricans

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