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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp.

ethanol
acetone butanol
streptomycin
citric acid

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Industrially Useful Microbial Processes
A major organism used in commercial bioleaching for copper recovery is

Thiobacillus ferrooxidans
Pseudomonas aeruginosa
Aspergillus niger
Desulfovibrio desulfuricans

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

Micrococcus glutamicus
Arthrobacter globiformis
all of these
Brevibacterium aminogenes

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

Streptomyces venezuelae
Streptomyces erythreus
Streptomyces rimosus
Streptomyces aureofaciens

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

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

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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?

Na2SO4
MgSO4
CaCO3
(NH4)2 HPO4

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