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Biotechnology - Vinegar and Citric Acid

Exercise : Vinegar and Citric Acid - Section 1
  • Vinegar and Citric Acid - Section 1
11.
In submerged process for the fermentation to produce citric acid,
A. niger is used with solid substrate as sweet potato
A. niger floats on the surface of solution
Fungal mycelium grows through out the solution in a deep tank
both (a) and (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Which substrate is used in the fermentation of citric acid?
Beet molasses
Sucrose
Starch hydrolysate
All of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Alegar is a type of vinegar produced from
fruit juices
malted grain
ethanol
ale
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
During recovery step of citric acid, calcium citrate formed is treated with which of the following acid to precipitate calcium?
HCl
HNO3
H2SO4
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Vinegar production consists of
aerobic fermentation
anaerobic fermentation
aerobic fermentation followed by anaerobic fermentation
anaerobic fermentation followed by aerobic fermentation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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