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Ethanol Production

Ethanol Production
Yeast is used in the production of

ethyl alcohol
cheese
acetic acid
curd

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Ethanol Production
The Zygomonas has a merit over yeast because

All of these
it has more osmotic tolerance to higher sugar concentration
it has high tolerance to ethanol
it has more specific growth rate

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Ethanol Production
Which of the following is used for aeration in a fermentor?

All of these
Sparger
Impeller
Baffles

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Ethanol Production
High ethanol concentration

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

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Ethanol Production
Ethanol is produced by

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

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Ethanol Production
The fermentor can be sterilized by

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

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