WAEC Biology 2018 Question 25

Question 25

Animal Nutrition

The duodenum of a person was surgically removed. Which of the following food substances would have their digestion affected?

  1. A.Starch and protein only
  2. B.Starch and lipids
  3. C.Starch, peptones and maltose
  4. D.Starch, protein and lipids
Show the answer and explanation

Answer: D (Starch, protein and lipids)

Explanation

Pancreatic juice and bile enter the duodenum. Pancreatic amylase, trypsin and lipase digest starch, protein and fat, so all three would be affected.