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Ethanol Production

Ethanol Production
The fermentor can be sterilized by

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

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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
it is converted to pentose sugar
None of these
it doesn't contain amylases to hydrolyze starch

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Ethanol Production
Which of the following organism is not used in any of the traditional industrial fermentation?

Bacillus
Pseudomonas
E. coli
Yeast

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Ethanol Production
Ethanol is produced by

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

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Ethanol Production
S cerevisiae start producing ethanol with in

24 h
15 h
10 h
12 h

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Ethanol Production
What are different substrates used for ethanol production?

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

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