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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Protease, which is used for flavouring of sake and haze removal in sake is produced by

A. niger
A. oryzae
B. cereus
A. flavus

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

Streptomyces lactis
Streptomyces griseus
Bacillus megaterium
Streptomyces olivaceus

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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%
99%
70%
95%

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Industrially Useful Microbial Processes
A major organic acid produced by a microbial process used in foods is

oxalic acid
citric acid
sulfuric acid
uric acid

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Industrially Useful Microbial Processes
Species of the genus Streptomyces are known for

nitrification
the production of antibiotics
the production of cheese
the production of beer

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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?

(NH4)2 HPO4
Na2SO4
CaCO3
MgSO4

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