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Ethanol Production

Ethanol Production
Ethanol is produced by

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

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Ethanol Production
How is air supply to the fermentor sterilized?

By heat filtration
All of these
Filtration through fibrous material
Filtration through granular material

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

none of these
pentoses only
hexoses only
both hexoses and pentoses

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Ethanol Production
Yeast is used in the production of

acetic acid
curd
ethyl alcohol
cheese

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

cell disintegration
filtration
distillation
centrifugation

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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
All of these
Aeration and agitation

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