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Industrially Useful Microbial Processes

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

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

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Industrially Useful Microbial Processes
Chlorotetracycline a broad spectrum antibiotic is produced by

Streptomyces erythreus
Streptomyces aureofaciens
Streptomyces rimosus
Streptomyces venezuelae

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

Lysine
Citric acid
Galactosidase
Gluconic acid

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

Accetobacter orleanense
Acetobacter schuetzenbachii
Acetobacter xylinum
Acetobacter curvum

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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
none of these
plant pathogens

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Industrially Useful Microbial Processes
Which of the following was the first amino acid to be produced commercially?

L-cystine
L-glutamic acid
L-methionine
L-lysine

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