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Industrially Useful Microbial Processes

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

citric acid
ethanol
streptomycin
acetone butanol

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Industrially Useful Microbial Processes
Which of the following is known for greater stability of the riboflavin producing capacity?

Ashbya gossypii
None of these
Eremothecium ashbyii
Candida flareri

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Industrially Useful Microbial Processes
Which of the following agents involve biosensors linking with electronic circuit?

Microbially derived enzymes
Either microorganisms or microbially derived enzymes
Microorganisms
Neither microorganisms nor microbially derived enzymes

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

Brevibacterium flavum
Arthrobacter paraffineus
Microbacterium ammoniaphilum
C. glutamicum

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

acidification
alcohol treatment
autolysis
none of these

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Industrially Useful Microbial Processes
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

too high level prevents L-glutamic acid production
both (a) and (b)
None of these
too low level prevents growths, hence L-glutamic acid production

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