WAEC Biology 2005 Question 32

Question 32

Animal Nutrition

Which of the following juices contains the enzyme ptyalin?

  1. A.Gastric juice
  2. B.Pancreatic juice
  3. C.Succus
  4. D.Saliva
Show the answer and explanation

Answer: D (Saliva)

Explanation

Ptyalin is salivary amylase, the enzyme in saliva that starts turning starch into maltose in the mouth.