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Ethanol Production

Ethanol Production
Ethanol is produced by

batch fermentation
continuous fermentation
both (a) and (b)
none of these

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Ethanol Production
S cerevisiae start producing ethanol with in

12 h
15 h
24 h
10 h

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Ethanol Production
After the fermentation is over, ethanol is recovered by

filtration
distillation
cell disintegration
centrifugation

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Ethanol Production
Candida utilis is used for the fermentation of waste sulphate liquor since it ferments

both hexoses and pentoses
pentoses only
none of these
hexoses only

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Ethanol Production
Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?

All of these
Sparger
Impeller
Baffles

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Ethanol Production
To maintain aseptic conditions during fermentation which of the following is needed?

Sterilization of fermentor
Sterilization of air supply
Aeration and agitation
All of these

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