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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species?

Ca
Ni
Zn
Co

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Industrially Useful Microbial Processes
Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by

A.flavus
A. niger
all of these
A. oryzae

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Industrially Useful Microbial Processes
The organism B. brevis can be used commercially for the production of

tyrothricin(bacitracin tyrocidin complex)
tyrocidin
gramicidin A
All of these

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

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

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Industrially Useful Microbial Processes
Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp.

ethanol
streptomycin
citric acid
acetone butanol

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

Streptomyces rimosus
Streptomyces erythreus
Streptomyces aureofaciens
Streptomyces venezuelae

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