Multiple choice

Which of the following activities will be affected if hydrochloric acid is not secreted by cells of the stomach?

  1. Absorption of water

  2. Digestion of proteins

  3. Absorption of carbohydrates

  4. Absorption of proteins
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B Correct answer
Explanation

The main function of HCl is to convert the pepsinogen (inactive form) to pepsin (active form). Pepsin is an enzyme which is involved in the breakdown of proteins. So, if HCl is not secreted, digestion of proteins cannot take place.

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