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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

60%
95%
99%
70%

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Industrially Useful Microbial Processes
Bacitracin, an antibiotic similar to penicillin, is produced by

Streptomyces erythreus
Aspergillus fumigatus
Bacillus licheniformis
Bacillus polymyxa

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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 major organism used in the microbial production of citric acid is

Penicillin notatum
Lactobacillis delbrueckii
Aspergillus niger
Rhizopus nigrificins

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Industrially Useful Microbial Processes
The strain C. glutamicum can be used for the production of

all of these
L-glutamine
L-phenylalanine
L-ornithine

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Industrially Useful Microbial Processes
The first penicillin isolated by Alexander Fleming, penicillin F is also called

n-heptyl penicillin
benzyl penicillin
phenoxymethyl penicillin
2-Pentenyl Penicillin

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