4. Gastric juice secreted by our intestinal tract kills all extraneous organisms as……………………
(a) it flows very fast.
(b) it is acidic in nature.
(c) it prevents their multiplication.
(d) it is a natural stimulant.
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Gastric juice secreted by our intestinal tract kills all extraneous organisms as (b) it is acidic in nature.
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Answer:
it is a natural stimulant
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