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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.flavus
all of these
A. oryzae
A. niger

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Industrially Useful Microbial Processes
A major organism used in commercial bioleaching for copper recovery is

Desulfovibrio desulfuricans
Aspergillus niger
Pseudomonas aeruginosa
Thiobacillus ferrooxidans

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

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

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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

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

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Industrially Useful Microbial Processes
The biotin level in obtaining L-gluatmic acid by fermentation using Micrococcus glutamicus is critical because

too low level prevents growths, hence L-glutamic acid production
too high level prevents L-glutamic acid production
None of these
both (a) and (b)

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Industrially Useful Microbial Processes
Alcohol production from starch and raw sugar utilizes selected strains of

none of these
Saccharomyces cerevisiae
Candida pseudotropicalis
Candida utilis

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