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Industrially Useful Microbial Processes

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

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

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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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Industrially Useful Microbial Processes
Fungal amylases using stationary culture with wheat bran utilizes

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

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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 nickel
none of these
traces of cobalt
traces of iron

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Industrially Useful Microbial Processes
The enzyme which converts optically active isomers of lactic acid to the optically inactive racemic mixture is

racemase
invertase
isomerase
dehydrogenase

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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
15% acetic acid
6% acetic acid

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