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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
Acetobacter
both (a) and (b)
Pseudomonas

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

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

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

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

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

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

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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

isomerase
invertase
dehydrogenase
racemase

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Industrially Useful Microbial Processes
Which species from the followings is resistant to methyl tryptophan?

Hansenula anomala
Candida utilis
B. subtilis
E. coli

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