Assertion :Nematodes are different from flatworms. Reason: Nematodes are commonly called as roundworms.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Nematodes, commonly called roundworms, belong to phylum Nematoda of super-phylum Aschelminthes. They have the cylindrical body shape and pseudocolored which differentiates the nematodes from flatworms and tapeworms (Platyhelminthes). Thus, the correct answer is option B.

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