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Industrially Useful Microbial Processes

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

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

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Industrially Useful Microbial Processes
The recovery of vitamin from fermentation broth is carried out prior to

none of these
alcohol treatment
acidification
autolysis

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

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

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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

95%
70%
99%
60%

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Industrially Useful Microbial Processes
Which of the following was the first amino acid to be produced commercially?

L-methionine
L-lysine
L-cystine
L-glutamic acid

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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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