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Industrially Useful Microbial Processes

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

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

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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
MgSO4
CaCO3
Na2SO4

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Industrially Useful Microbial Processes
The organism used to produce L-glutamic acid is

Brevibacterium aminogenes
Arthrobacter globiformis
Micrococcus glutamicus
all of these

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Industrially Useful Microbial Processes
Chlorotetracycline a broad spectrum antibiotic is produced by

Streptomyces erythreus
Streptomyces rimosus
Streptomyces aureofaciens
Streptomyces venezuelae

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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

70%
95%
99%
60%

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Industrially Useful Microbial Processes
Which of the following micro organism utilizes lactose as a carbon source in production of lactic acid from whey media?

Lactobacillus delbrueckii
Leuconostoc mesenteroides
Lactobacillus bulgaricus
Lactobacillus pentosus

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