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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The commonly used media for submerged bacterial fermentation at commercial scale is

germinated seed
liver extract
none of these
beet molasses

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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

60%
95%
99%
70%

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Industrially Useful Microbial Processes
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

Propionibacterium
both (a) and (b)
Pseudomonas
Acetobacter

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

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

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Industrially Useful Microbial Processes
β-carotene is also known as

provitamin A
vitamin C
vitamin A
vitamin D

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Industrially Useful Microbial Processes
The production of acetic acid from ethanol is an

None of these
a combination of both
aerobic process
anaerobic process

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