Q. Which set of animals belongs to the same phylum?

 1678  199 NTA AbhyasNTA Abhyas 2020Animal Kingdom Report Error

Solution:

Hirudinaria - Phylum Annelida and Laccifer - Phylum Arthropoda
Pila - Phylum Mollusca and Loligo - Phylum Mollusca
Obelia - Phylum Cnidaria and Euspongia - Phylum Porifera
Ophiura - Phylum Echinodermata and Salpa - Phylum Chordata