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Industrially Useful Microbial Processes

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

Galactosidase
Gluconic acid
Citric acid
Lysine

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

ethanol
acetone butanol
streptomycin
citric acid

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Industrially Useful Microbial Processes
Most productive species among the different vitamin B12 producing Pseudomonads is

P. denitrificans
P. aureofaciens
P. ovalis
none of these

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

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

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

uric acid
sulfuric acid
citric acid
oxalic acid

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

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

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