CBSE Class 10 Science 2019 · Paper 31/3/3 · Question 5(b)
List in tabular form two differences between pepsin and trypsin.
Answer
Pepsin comes from the gastric glands and acts in an acidic medium; trypsin comes from the pancreas and acts in an alkaline medium.
(i) Source: Pepsin is secreted by the gastric glands of the stomach (in gastric juice); trypsin is secreted by the pancreas (in pancreatic juice).
(ii) Medium: Pepsin acts in an acidic medium, provided by hydrochloric acid in the stomach; trypsin acts in an alkaline (basic) medium in the small intestine.
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