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Industrially Useful Microbial Processes

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

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

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Industrially Useful Microbial Processes
Which species from the followings is resistant to methyl tryptophan?

B. subtilis
Hansenula anomala
E. coli
Candida utilis

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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. oryzae
all of these
A. niger

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Industrially Useful Microbial Processes
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

Pseudomonas
Propionibacterium
Acetobacter
both (a) and (b)

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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 pathogens
none of these
human pathogens
plant mutants

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Industrially Useful Microbial Processes
Which of the following Ascomycetes are used for riboflavin production?

Candida guilliermondia
Eremnothecium ashbyii
Ashbya gossypii
Both (a) and (b)

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