Question

To which of the following phylum, class trematoda belongs?

• A. Platyhelminthes
• B. Arthropoda
• C. Mollusca
• D. Annelida

Answer 1

The correct option is A Platyhelminthes

The class trematoda, is included in the phylum platyhelminthes. These are flatworms and they are parasitic in nature. These are characterised by the diploblastic body. These have flame cells for excretion. They have nerve net but not well developed nervous system.

So, the correct answer is option A.