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Biotechnology - Ethanol Production

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Exercise : Ethanol Production - Section 1
  • Ethanol Production - Section 1
1.
If starch containing substrates are used for ethanol production, yeast strain can't be used directly because
it doesn't contain amylases to hydrolyze starch
starch is not a suitable substrate for the production of ethanol
it is converted to pentose sugar
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Which of the following is used to check vortex and to improve aeration efficiency in a fermentor?
Impeller
Baffles
Sparger
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
What are different substrates used for ethanol production?
Starch containing substrate
Juices from sugarcane or molasses or sugar beet
Waste product from wood or processed wood
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Which of the following is used for aeration in a fermentor?
Impeller
Baffles
Sparger
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Ethanol is produced by
continuous fermentation
batch fermentation
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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