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Ethanol Production

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

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

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

Saccharomyces uvarum
All of these
Zygomonas mobilis
Saccharomyces cerevisiae

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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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Ethanol Production
Ethanol is produced by

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

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

Sparger
All of these
Baffles
Impeller

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