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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is

Acetobacter schuetzenbachii
Acetobacter xylinum
Acetobacter curvum
Accetobacter orleanense

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Industrially Useful Microbial Processes
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Lysine
Gluconic acid
Galactosidase
Citric acid

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Industrially Useful Microbial Processes
The sugar concentration of molasses used in fermentation should be

30-38%
20-30%
10-18%
4-5%

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

Arthrobacter globiformis
Brevibacterium aminogenes
Micrococcus glutamicus
all 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

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

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

anaerobic process
aerobic process
None of these
a combination of both

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