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Question
The acid produced naturally in our stomach is ______.
Options
acetic acid
citric acid
hydrochloric acid
sulphuric acid
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Solution
The acid produced naturally in our stomach is hydrochloric acid.
Explanation:
The inner lining of the human stomach contains specialised cells that naturally secrete hydrochloric acid (HCl) as a major component of gastric juice. This highly acidic environment is essential for activating digestive enzymes like pepsin, which breaks down dietary proteins so the body can absorb nutrients. Furthermore, the acid acts as a crucial defence mechanism by destroying harmful bacteria and pathogens that enter the digestive tract along with food.
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