WBCS.LIVE practice question

Which biological process is responsible for the 'Leavening' of bread using Yeast?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Photosynthesis
  2. Aerobic Respiration
  3. Fermentation
  4. Transpiration

Correct answer and explanation

Correct answer: Fermentation

Explanation: āœ… Correct Answer: C) Fermentation šŸ“š Explanation: Yeast is a fungus that performs anaerobic respiration, or fermentation, by breaking down sugars into ethanol and carbon dioxide. In bread making, the trapped $CO_2$ gas forms bubbles that cause the dough to swell and become light and airy. The ethanol produced during this process mostly evaporates during the baking phase.