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Ethanol Production

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

E. coli
Pseudomonas
Yeast
Bacillus

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Ethanol Production
S cerevisiae start producing ethanol with in

15 h
12 h
24 h
10 h

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Ethanol Production
How is air supply to the fermentor sterilized?

Filtration through fibrous material
By heat filtration
Filtration through granular material
All of these

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Ethanol Production
As the fermentation for the ethanol production is over, the cells are separated to get the biomass of yeast cells that is used

for next fermentation
as manure
as single cell protein for animal feed
All of these

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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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Ethanol Production
What are different substrates used for ethanol production?

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

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