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Which segment of the earthworm contains the intestinal caecum?

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in Biology – Class 11 by (272k points)
Which segment of the earthworm contains the intestinal caecum?

(a) 25^th

(b) 23^rd

(c) 24^th

(d) 26^th

The question was posed to me in semester exam.

Query is from Animals Structural Organisations topic in section Structural Organisations in Animals of Biology – Class 11

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The correct choice is (d) 26^th

For explanation I would say: The 26^th segment of the body of the earthworm contains intestinal caeca. It projects out from the wall of the intestine. The intestine of the earthworm starts at the 15^th segment and continues till the last segment.

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