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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The maximum concentration of ethanol that is achieved by successive distillation of fermentation broth in continuous stills is

99%
60%
70%
95%

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Industrially Useful Microbial Processes
Which of the following is a heterofermentative micro-organism?

Leuconostoc mesenteroides
Lactobacillus delbrueckii
Lactobacillus bulgaricus
Lactobacillus pentose

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Industrially Useful Microbial Processes
Naringinase, an enzyme commonly used for removal of bitter taste from citrus juice is obtained from

A. niger
A.flavus
S. cerevisiae
A. oryzae

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

acidification
none of these
alcohol treatment
autolysis

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

B. subtilis
E. coli
Candida utilis
Hansenula anomala

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Industrially Useful Microbial Processes
The major organism used in the microbial production of citric acid is

Penicillin notatum
Lactobacillis delbrueckii
Aspergillus niger
Rhizopus nigrificins

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