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Industrially Useful Microbial Processes

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

Pseudomonas aeruginosa
Aspergillus niger
Thiobacillus ferrooxidans
Desulfovibrio desulfuricans

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Industrially Useful Microbial Processes
Bacitracin, an antibiotic similar to penicillin, is produced by

Bacillus licheniformis
Streptomyces erythreus
Aspergillus fumigatus
Bacillus polymyxa

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Industrially Useful Microbial Processes
Which of the following organism produces enzyme taka diastase?

S. cerevisiae
B. subtilis
A. oryzae
A. niger

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

Gluconic acid
Galactosidase
Lysine
Citric acid

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

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

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

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

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