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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
Alcohol production from starch and raw sugar utilizes selected strains of

Saccharomyces cerevisiae
Candida utilis
none of these
Candida pseudotropicalis

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Industrially Useful Microbial Processes
The first penicillin isolated by Alexander Fleming, penicillin F is also called

n-heptyl penicillin
2-Pentenyl Penicillin
phenoxymethyl penicillin
benzyl penicillin

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

Rhizopus nigrificins
Penicillin notatum
Lactobacillis delbrueckii
Aspergillus niger

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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)
None of these
too high level prevents L-glutamic acid production
too low level prevents growths, hence L-glutamic acid production

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

uric acid
citric acid
sulfuric acid
oxalic acid

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