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Ethanol Production

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 different substrates used for ethanol production?

All of these
Juices from sugarcane or molasses or sugar beet
Starch containing substrate
Waste product from wood or processed wood

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

pentoses only
both hexoses and pentoses
hexoses only
none of these

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Ethanol Production
Yeast is used in the production of

curd
cheese
acetic acid
ethyl alcohol

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

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

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Ethanol Production
The Zygomonas has a merit over yeast because

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

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