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HomeCBSE Class 11BiologyDigestion Absorption › The opening of the oesophagus into the stomach i…

The opening of the oesophagus into the stomach is guarded by a:

APapilla
BFrenulum
CSphincter
DEpiglottis
Answer & Solution
Correct answer: C. Sphincter
1. A ring of muscle controls the passage at this point. 2. It is named for the two parts it joins. 3. It is the gastro-oesophageal sphincter. _Source: NCERT Class 11 Biology, Chapter 16, Digestion and Absorption._
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