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Microbes Role in Industrial Products MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
Quick Facts
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22 Questions around this concept.
Solve by difficulty
EASYYeast is used in the production of
Alcoholic beverages produced without distillation are
Ethanol is commercially produced through a particular species of:
Which of the following is correctly matched to the product produced by them?
Which of the following is an example of a non-distilled alcoholic beverage produced by yeast?
Concepts Covered - 0
Microbes in Industrial Products: Fermented Beverages
- Microbes, especially yeasts have been used from time immemorial for the production of beverages like wine, beer, whisky, brandy or rum.
- For this purpose the same yeast Saccharomyces cerevisiae used for bread-making and commonly called brewer’s yeast, is used for fermenting malted cereals and fruit juices, to produce ethanol.
- Depending on the type of the raw material used for fermentation and the type of processing (with or without distillation) different types of alcoholic drinks are obtained.
- Wine and beer are produced without distillation
- whisky, brandy and rum are produced by distillation of the fermented broth
- A number of other chemicals can be formed with the change of nutrient medium, pH and aeration: butanol, amyl alcohol, glycerol, pyruvic acid, succinic acid, lactic acid, etc.
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