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Assertion : Setae are absent in clitellum Reason : Setae help in locomotion.A. If both assertion and reason are true and reason is the correct explanation of assertionB. If both assertion and reason are true but reason is not the correct explanation of assertionC. If assertion is true but reason is falseD. If both assertion and reason are false

Answer» Correct Answer - B
Except the first, the last and clitellar segments of earthworm, each segment bears a ring of tiny curved, chitinous structures known as setae or chaetae. They are embedded in the skin. The setae hold substratum firmly. Thus, they help in the locomotion.


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