Question

All the animals of phylum Platyhelminthes and Nematoda are parasites.

• A. True
• B. False

Answer 1

The correct option is A True

Platyhelminthes are mainly parasitic worms. They were once categorized as parasitic and non-parasitic worms, but that classification has been ruled out. Similarly, phylum Nematoda also has only parasitic worms.

So, the correct answer is 'True'.