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Industrially Useful Microbial Processes

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

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

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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
Na2SO4
(NH4)2 HPO4
MgSO4

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Industrially Useful Microbial Processes
Naringinase, an enzyme commonly used for removal of bitter taste from citrus juice is obtained from

A. niger
A. oryzae
S. cerevisiae
A.flavus

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

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

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Industrially Useful Microbial Processes
The commonly used media for submerged bacterial fermentation at commercial scale is

beet molasses
liver extract
germinated seed
none of these

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

Lactobacillis delbrueckii
Aspergillus niger
Penicillin notatum
Rhizopus nigrificins

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