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Ethanol Production

Ethanol Production
Yeast is used in the production of

curd
ethyl alcohol
cheese
acetic acid

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Ethanol Production
Which of the following microorganisms help in the ethanol production?

Saccharomyces cerevisiae
All of these
Zygomonas mobilis
Saccharomyces uvarum

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Ethanol Production
High ethanol concentration

promotes bacterial growth
promotes yeast growth
inhibits bacterial growth
inhibits yeast growth

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Ethanol Production
The fermentor can be sterilized by

keeping it in the oven
boiling
all of these
steam under pressure

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Ethanol Production
How is air supply to the fermentor sterilized?

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

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Ethanol Production
S cerevisiae start producing ethanol with in

15 h
12 h
24 h
10 h

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