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Ethanol Production

Ethanol Production
Yeast is used in the production of

curd
cheese
ethyl alcohol
acetic acid

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

Baffles
Sparger
All of these
Impeller

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

Zygomonas mobilis
All of these
Saccharomyces uvarum
Saccharomyces cerevisiae

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Ethanol Production
If starch containing substrates are used for ethanol production, yeast strain can't be used directly because

starch is not a suitable substrate for the production of ethanol
it doesn't contain amylases to hydrolyze starch
None of these
it is converted to pentose sugar

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

Bacillus
Yeast
Pseudomonas
E. coli

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Ethanol Production
How is air supply to the fermentor sterilized?

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

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