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Industrially Useful Microbial Processes

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

oxalic acid
uric acid
sulfuric acid
citric acid

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

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

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Industrially Useful Microbial Processes
The organism which utilizes the pentose of sulphite waste liquor for lactic acid production is

Lactobacillus casei
Lactobacillus bulgaricus
Streptococcus lactis
Lactobacillus pentosus

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Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

invertase
racemase
dehydrogenase
isomerase

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

streptomycin
citric acid
ethanol
acetone butanol

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

both (a) and (b)
Acetobacter
Pseudomonas
Propionibacterium

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