Multiple choice

Class Trematoda belongs to the phylum

  1. platyhelminthes

  2. arthropoda

  3. mollusca

  4. annelida
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A Correct answer
Explanation

Class Trematoda (flukes) belongs to the phylum Platyhelminthes, which includes flatworms. Trematodes are parasitic flatworms with complex life cycles. Arthropoda includes insects and crustaceans, Mollusca includes snails and clams, and Annelida includes segmented worms - none of these contain trematodes.

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