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Industrially Useful Microbial Processes

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

Propionibacterium
Acetobacter
both (a) and (b)
Pseudomonas

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Industrially Useful Microbial Processes
Riboflavin is a by-product of __________ fermentation carried out by Clostridium spp.

citric acid
acetone butanol
ethanol
streptomycin

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Industrially Useful Microbial Processes
B. flavum strain can be used for the production of

L-Isoleucine and L-Histidine
All of these
L-Threonine
L-Proline

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

oxalic acid
uric acid
citric acid
sulfuric acid

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Industrially Useful Microbial Processes
Which of the following microorganism produces only L(+) - lactic acid without further racemization ?

Rhizopus oryzae
Lactobacillus delbrueckii
Lactobacillus bulgaricus
Leuconostoc mesenteroides

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

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

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