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JAMB Biology 2013 Question 18

Question 18

Animal Nutrition

The enzyme that is present in the saliva is

  1. A.lipase.
  2. B.pepsin.
  3. C.ptyalin.
  4. D.rennin.
Show the answer and explanation

Answer: C (ptyalin.)

Explanation

Saliva contains ptyalin (salivary amylase), which starts the digestion of starch in the mouth. Pepsin and rennin work in the stomach.