WAEC Biology 2024 Question 25

Question 25

Food Substances and Enzymes

Which of the following food substances would give a negative reaction with Benedict's reagent?

  1. A.Fructose
  2. B.Glucose
  3. C.Galactose
  4. D.Sucrose
Show the answer and explanation

Answer: D (Sucrose)

Explanation

Sucrose is a non-reducing sugar, so it does not turn Benedict's solution brick-red; glucose, fructose and galactose are reducing sugars.