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Ethanol Production

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

Impeller
Baffles
All of these
Sparger

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Ethanol Production
The Zygomonas has a merit over yeast because

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

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

Saccharomyces cerevisiae
All of these
Zygomonas mobilis
Saccharomyces uvarum

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

All of these
Sterilization of fermentor
Aeration and agitation
Sterilization of air supply

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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
as manure
as single cell protein for animal feed
for next fermentation

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Ethanol Production
Yeast is used in the production of

curd
ethyl alcohol
acetic acid
cheese

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