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Industrially Useful Microbial Processes

Industrially Useful Microbial Processes
The species of Acetobacter which produces cellulosic strands to hold the cells in lime layer is

Acetobacter schuetzenbachii
Accetobacter orleanense
Acetobacter xylinum
Acetobacter curvum

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Industrially Useful Microbial Processes
It is mandatory that cultures and fermentation residues be sterilized before discard in case of Eremothecium ashbyii and Ashbya gossypii because they are

plant pathogens
plant mutants
none of these
human pathogens

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

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

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

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Industrially Useful Microbial Processes
Penicillin G is also known as

phenoxy methyl penicillin
2-pentenyl penicillin
hydroxy benzyl penicillin
benzyl penicillin

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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

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

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