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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

citric acid
oxalic acid
uric acid
sulfuric acid

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Industrially Useful Microbial Processes
Which of the following substance is employed to neutralize the lactic acid as it is produced (because lactic acid bacteria do not tolerate high concentrations of acid?

CaCO3
MgSO4
Na2SO4
(NH4)2 HPO4

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Industrially Useful Microbial Processes
Which of the following Ascomycetes are used for riboflavin production?

Both (a) and (b)
Eremnothecium ashbyii
Candida guilliermondia
Ashbya gossypii

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Industrially Useful Microbial Processes
The sugar concentration of molasses used in fermentation should be

30-38%
10-18%
20-30%
4-5%

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Industrially Useful Microbial Processes
The Candida species require fermentation equipment lined with plastic because they are extremely sensitive to

traces of cobalt
none of these
traces of iron
traces of nickel

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Industrially Useful Microbial Processes
Which of the following agents involve biosensors linking with electronic circuit?

Neither microorganisms nor microbially derived enzymes
Either microorganisms or microbially derived enzymes
Microbially derived enzymes
Microorganisms

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