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ETHANOL PRODUCTION

Ethanol Production
If starch containing substrates are used for ethanol production, yeast strain can't be used directly because

starch is not a suitable substrate for the production of ethanol
None of these
it is converted to pentose sugar
it doesn't contain amylases to hydrolyze starch

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Ethanol Production
Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?

Baffles
All of these
Impeller
Sparger

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Ethanol Production
What are different substrates used for ethanol production?

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

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

Impeller
Baffles
All of these
Sparger

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Ethanol Production
Ethanol is produced by

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

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