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Industrially Useful Microbial Processes

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
Bacitracin, an antibiotic similar to penicillin, is produced by

Bacillus polymyxa
Bacillus licheniformis
Streptomyces erythreus
Aspergillus fumigatus

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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?

Na2SO4
MgSO4
CaCO3
(NH4)2 HPO4

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Industrially Useful Microbial Processes
The organism used to produce L-glutamic acid is

Micrococcus glutamicus
Arthrobacter globiformis
Brevibacterium aminogenes
all of these

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Industrially Useful Microbial Processes
Protease, which is used for flavouring of sake and haze removal in sake is produced by

A. niger
A. flavus
A. oryzae
B. cereus

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Industrially Useful Microbial Processes
A major organism used in commercial bioleaching for copper recovery is

Desulfovibrio desulfuricans
Pseudomonas aeruginosa
Thiobacillus ferrooxidans
Aspergillus niger

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