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Industrially Useful Microbial Processes

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

human pathogens
plant mutants
plant pathogens
none of these

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Industrially Useful Microbial Processes
During fermentation, pyruvic acid is converted into organic products such as

starch and cellulose
ethyl alcohol and lactic acid
citric acid and isocitric acid
glucose and fructose

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

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Industrially Useful Microbial Processes
The 95% ethanol is equivalent to

190 proof
110 proof
120 proof
170 proof

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Industrially Useful Microbial Processes
Which of the following is a heterofermentative micro-organism?

Leuconostoc mesenteroides
Lactobacillus pentose
Lactobacillus bulgaricus
Lactobacillus delbrueckii

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Industrially Useful Microbial Processes
β-carotene is also known as

vitamin A
provitamin A
vitamin C
vitamin D

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