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Industrially Useful Microbial Processes

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

Propionibacterium
Pseudomonas
both (a) and (b)
Acetobacter

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Industrially Useful Microbial Processes
Most productive species among the different vitamin B12 producing Pseudomonads is

P. aureofaciens
none of these
P. denitrificans
P. ovalis

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

Galactosidase
Gluconic acid
Lysine
Citric acid

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

Pseudomonas aeruginosa
Thiobacillus ferrooxidans
Aspergillus niger
Desulfovibrio desulfuricans

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Industrially Useful Microbial Processes
Bacitracin, an antibiotic similar to penicillin, is produced by

Bacillus polymyxa
Aspergillus fumigatus
Streptomyces erythreus
Bacillus licheniformis

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

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

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