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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
Which of the following is not an industrial product made by the fungus Aspergillus niger?

Galactosidase
Lysine
Gluconic acid
Citric acid

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

uric acid
sulfuric acid
citric acid
oxalic acid

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Industrially Useful Microbial Processes
The first penicillin isolated by Alexander Fleming, penicillin F is also called

phenoxymethyl penicillin
2-Pentenyl Penicillin
benzyl penicillin
n-heptyl penicillin

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

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

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Industrially Useful Microbial Processes
Cycloserine may be isolated from the cultures of

S. lavendulae
All of these
S. orchidaceus
S. garyphalus

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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
traces of nickel
none of these
traces of iron

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