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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?

(NH4)2 HPO4
CaCO3
MgSO4
Na2SO4

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Industrially Useful Microbial Processes
The recovery of vitamin from fermentation broth is carried out prior to

none of these
acidification
autolysis
alcohol treatment

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin D
provitamin A
vitamin C
vitamin A

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Industrially Useful Microbial Processes
The strain C. glutamicum can be used for the production of

L-phenylalanine
all of these
L-glutamine
L-ornithine

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

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

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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 schuetzenbachii
Acetobacter xylinum
Acetobacter curvum
Accetobacter orleanense

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