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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
both (a) and (b)
Acetobacter
Pseudomonas

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

acetone butanol
citric acid
streptomycin
ethanol

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

Lactobacillus bulgaricus
Rhizopus oryzae
Leuconostoc mesenteroides
Lactobacillus delbrueckii

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Industrially Useful Microbial Processes
The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is

Acetobacter curvum
Acetobacter schuetzenbachii
Accetobacter orleanense
Acetobacter xylinum

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Industrially Useful Microbial Processes
Which of the following organism produces enzyme taka diastase?

S. cerevisiae
B. subtilis
A. niger
A. oryzae

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

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

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