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Yeast is used for the production of

  • A.alcohol
  • B.curd
  • C.sugar
  • D.common salt

Answer: A

Yeast is used for the production of alcohol.

Yeast is a unicellular fungus that respires anaerobically. It converts sugar into alcohol and carbon dioxide by fermentation, a process discovered by Louis Pasteur. This is used to make wine, beer and industrial alcohol, and the carbon dioxide also makes bread dough rise.

Curd is made by the bacterium Lactobacillus, not yeast. Sugar is the raw material that yeast consumes, not its product, and common salt has nothing to do with microorganisms.

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