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Industrially Useful Microbial Processes

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

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

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

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

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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

60%
95%
70%
99%

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Industrially Useful Microbial Processes
The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is

Acetobacter curvum
Acetobacter xylinum
Accetobacter orleanense
Acetobacter schuetzenbachii

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Industrially Useful Microbial Processes
Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

Lactobacillus bulgaricus
Lactobacillus pentosus
Lactobacillus delbrueckii
Leuconostoc mesenteroides

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

both (a) and (b)
Propionibacterium
Acetobacter
Pseudomonas

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