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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following when used in proper concentration stimulates the Ascomycetes fermentation of vitamin B12 and can be used to counteract toxicity of iron in Candida species?

Co
Ni
Zn
Ca

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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

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

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Industrially Useful Microbial Processes
The major organism used in the microbial production of citric acid is

Penicillin notatum
Rhizopus nigrificins
Aspergillus niger
Lactobacillis delbrueckii

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Industrially Useful Microbial Processes
The organism B. brevis can be used commercially for the production of

gramicidin A
tyrocidin
tyrothricin(bacitracin tyrocidin complex)
All of these

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

Pseudomonas
Propionibacterium
Acetobacter
both (a) and (b)

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

Desulfovibrio desulfuricans
Aspergillus niger
Pseudomonas aeruginosa
Thiobacillus ferrooxidans

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