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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are

none of these
plant mutants
human pathogens
plant pathogens

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Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

isomerase
invertase
racemase
dehydrogenase

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Industrially Useful Microbial Processes
Which of the following organism is utilized for the production of D-L-alanine?

Arthrobacter paraffineus
Brevibacterium flavum
C. glutamicum
Microbacterium ammoniaphilum

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

streptomycin
citric acid
acetone butanol
ethanol

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Industrially Useful Microbial Processes
A major organic acid produced by a microbial process used in foods is

citric acid
oxalic acid
uric acid
sulfuric acid

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

Rhizopus nigrificins
Penicillin notatum
Aspergillus niger
Lactobacillis delbrueckii

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