Multiple choice

In which medium does pepsin become active?

  1. Acidic

  2. Alkaline

  3. Neutral

  4. Isotonic

  5. All of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pepsin becomes active in acidic medium where the pH remains less than 7. Pepsin is present in the gastric juice and is primarily meant for the digestion of proteins.