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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
A major organic acid produced by a microbial process used in foods is

sulfuric acid
citric acid
oxalic acid
uric acid

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Industrially Useful Microbial Processes
Vinegar is a fermentation derived food product containing not less than

25% acetic acid
15% acetic acid
4% acetic acid
6% acetic acid

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

Lactobacillis delbrueckii
Rhizopus nigrificins
Penicillin notatum
Aspergillus niger

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

Thiobacillus ferrooxidans
Aspergillus niger
Pseudomonas aeruginosa
Desulfovibrio desulfuricans

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

Propionibacterium
Pseudomonas
both (a) and (b)
Acetobacter

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Industrially Useful Microbial Processes
Which of the following was the first amino acid to be produced commercially?

L-lysine
L-methionine
L-glutamic acid
L-cystine

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