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Industrially Useful Microbial Processes

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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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
The aerated submerged bacterial fermentation to produce vitamin B12 employs strains of

both (a) and (b)
Acetobacter
Pseudomonas
Propionibacterium

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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 pentosus
Lactobacillus casei
Lactobacillus bulgaricus

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Industrially Useful Microbial Processes
Alcohol production from starch and raw sugar utilizes selected strains of

Candida pseudotropicalis
Saccharomyces cerevisiae
none of these
Candida utilis

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Industrially Useful Microbial Processes
Which of the following organism is utilized for the production of D-L-alanine?

Microbacterium ammoniaphilum
C. glutamicum
Brevibacterium flavum
Arthrobacter paraffineus

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