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Ethanol Production

Ethanol Production
S cerevisiae start producing ethanol with in

24 h
12 h
15 h
10 h

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

Impeller
All of these
Baffles
Sparger

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Ethanol Production
What are the fermentation conditions for the ethanol production?

pH 6; temperature 35°C
pH 5; temperature 30°C
pH 6; temperature 30°C
pH 5; temperature 35°C

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Ethanol Production
The fermentor can be sterilized by

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

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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
Impeller
Sparger
Baffles

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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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