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Industrially Useful Microbial Processes

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

dehydrogenase
isomerase
racemase
invertase

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Industrially Useful Microbial Processes
The rapid process of microbial oxidation developed to produce acetic acid from ethanol at Schutzenbach, Germany is also known as

packed generator
trickle method
Orleans process
both (a) and (b)

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

Acetobacter curvum
Acetobacter xylinum
Acetobacter schuetzenbachii
Accetobacter orleanense

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

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

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

Galactosidase
Citric acid
Lysine
Gluconic acid

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

Streptococcus lactis
Lactobacillus casei
Lactobacillus pentosus
Lactobacillus bulgaricus

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