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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?

Na2SO4
(NH4)2 HPO4
MgSO4
CaCO3

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

both (a) and (b)
Pseudomonas
Acetobacter
Propionibacterium

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Industrially Useful Microbial Processes
Which of the following is known for greater stability of the riboflavin producing capacity?

Eremothecium ashbyii
Candida flareri
Ashbya gossypii
None of these

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

170 proof
190 proof
120 proof
110 proof

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

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

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

Streptomyces olivaceus
Streptomyces lactis
Streptomyces griseus
Bacillus megaterium

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