WBCS.LIVE practice question

Fermentation ability of Yeast is due to

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

Answer options

  1. Amylase
  2. Zymase
  3. Invertase
  4. Galactase

Correct answer and explanation

Correct answer: Zymase

Explanation: The fermentation ability of yeast is due to the enzyme Zymase. 📚 Other Information: ▪️ Zymase is a complex of enzymes found in yeast cells. ▪️ It converts glucose into alcohol (ethanol) and carbon dioxide during fermentation. ▪️ Equation: C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂. ▪️ Used in brewing, baking, and alcohol production. ▪️ Discovered by Eduard Buchner in 1897, who won the Nobel Prize in 1907. ▪️ Fermentation is an anaerobic process, meaning it occurs without oxygen. ▪️ Zymase activity stops above 40°C, as enzymes are heat-sensitive. ▪️ Yeast (Saccharomyces cerevisiae) is the most common organism used.