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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
Yeast
Pseudomonas
Bacillus

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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

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

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Ethanol Production
The Zygomonas has a merit over yeast because

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

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Ethanol Production
The fermentor can be sterilized by

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

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

Sparger
Impeller
All of these
Baffles

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

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

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