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The alimentary canal opens posteriorly through the:
AThe ears
BThe anus
CThe mouth
DThe nose
Answer & Solution
Correct answer: B. The anus
1. The canal is a tube open at both ends.
2. It begins at the mouth in front.
3. It opens out at the anus behind.
_Source: NCERT Class 11 Biology, Chapter 16, Digestion and Absorption._
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