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प्रश्न
The inner lining of stomach is protected by one of the following from the harmful effect of hydrochloric acid. This is:
(a) pepsin
(b) mucus
(c) saliva
(d) bile
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उत्तर
(b) mucus
Mucus protects the inner lining of the stomach from erosion, which can be caused by hydrochloric acid.
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