WAEC Biology 2000 Question 41

Question 41

Food Substances and Enzymes

Which of the following food substances turns bright red when warmed with suddan III solution?

  1. A.Starch
  2. B.Reducing sugar
  3. C.Protein
  4. D.Fat
Show the answer and explanation

Answer: D (Fat)

Explanation

Sudan III is a red dye that dissolves in fats and oils, staining them red.