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Industrially Useful Microbial Processes

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

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

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

citric acid
oxalic acid
uric acid
sulfuric 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
Aspergillus niger
Penicillin notatum

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

Lactobacillus delbrueckii
Leuconostoc mesenteroides
Lactobacillus bulgaricus
Rhizopus oryzae

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Industrially Useful Microbial Processes
Pectinase, an enzyme used for increasing yield and for clarifying juice is obtained by

all of these
A. niger
A.flavus
A. oryzae

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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

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

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