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Ethanol Production

Ethanol Production
The fermentor can be sterilized by

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

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Ethanol Production
To maintain aseptic conditions during fermentation which of the following is needed?

Aeration and agitation
Sterilization of fermentor
Sterilization of air supply
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

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

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Ethanol Production
Which of the following microorganisms help in the ethanol production?

Saccharomyces cerevisiae
Zygomonas mobilis
Saccharomyces uvarum
All of these

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

All of these
Impeller
Baffles
Sparger

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Ethanol Production
How is air supply to the fermentor sterilized?

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

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