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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The submerged fermentation of vinegar utilizes special fermentor designs known as

cavitator
both (a) and (b)
packed vinegar generator
acetator

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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%
70%
99%
95%

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

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

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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
CaCO3
Na2SO4
MgSO4

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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

invertase
isomerase
racemase
dehydrogenase

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Industrially Useful Microbial Processes
B. flavum strain can be used for the production of

L-Threonine
L-Isoleucine and L-Histidine
All of these
L-Proline

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