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Industrially Useful Microbial Processes

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

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

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Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

traces of iron
traces of nickel
none of these
traces of cobalt

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Industrially Useful Microbial Processes
Rickes et al. recovered active crystalline vitamin B12 from the culture of

Bacillus megaterium
Streptomyces griseus
Streptomyces olivaceus
Streptomyces lactis

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

autolysis
acidification
alcohol treatment
none of these

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Industrially Useful Microbial Processes
During fermentation, pyruvic acid is converted into organic products such as

starch and cellulose
ethyl alcohol and lactic acid
citric acid and isocitric acid
glucose and fructose

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Industrially Useful Microbial Processes
Which of the following Ascomycetes are used for riboflavin production?

Eremnothecium ashbyii
Candida guilliermondia
Ashbya gossypii
Both (a) and (b)

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