MCQ
The acid present in the stomach:
  • Kills the harmful bacteria that may enter along with the food.
  • B
    Protects the stomach lining from harmful substances.
  • C
    Digests starch into simpler sugars.
  • D
    Makes the medium alkaline.

Answer

Correct option: A.
Kills the harmful bacteria that may enter along with the food.

The inner lining of stomach secretes mucus, hydrochloric acid and digestive juices.
out of these $HCI$ kills any bacteria that may enter the stomach with food and makes the medium acidic.
Mucus protects the stomach lining from $HCI$ and digestive juices breakdown proteins in food into simpler substances.

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