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Industrially Useful Microbial Processes

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

Desulfovibrio desulfuricans
Thiobacillus ferrooxidans
Aspergillus niger
Pseudomonas aeruginosa

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

Streptomyces erythreus
Aspergillus fumigatus
Bacillus polymyxa
Bacillus licheniformis

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Industrially Useful Microbial Processes
Protease, which is used for flavouring of sake and haze removal in sake is produced by

A. flavus
A. niger
A. oryzae
B. cereus

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Industrially Useful Microbial Processes
Fungal amylases using stationary culture with wheat bran utilizes

S. cerevisiae
A. niger
A. oryzae
A. flavus

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

Galactosidase
Gluconic acid
Lysine
Citric acid

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Industrially Useful Microbial Processes
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are

plant mutants
human pathogens
plant pathogens
none of these

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