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JAMB Chemistry 2001 Question 35

Question 35

Carbohydrates, Proteins and Amines

Fermentation is the

  1. A.breaking down of carbohydrate to glucose
  2. B.conversion of sugar to alcohol in the presence of yeast
  3. C.breaking down of sugar to carbohydrate
  4. D.conversion of alcohol to sugar in the presence of yeast.
Show the answer and explanation

Answer: B (conversion of sugar to alcohol in the presence of yeast)

Explanation

In fermentation, enzymes in yeast convert sugar (glucose) into ethanol and carbon (IV) oxide.