GCE Biology 1990 Question 40

Question 40

Food Substances and Enzymes

Which of the following reagents is used for the test for starch?

  1. A.Millon's reagent
  2. B.Fehlings' solution
  3. C.Sudan III
  4. D.Iodine solution
  5. E.Benedict's solution
Show the answer and explanation

Answer: D (Iodine solution)

Explanation

Iodine solution turns blue-black with starch.