Teaching EMRS JSA (Junior Secretariat Assistant) Mock Test Series 2023 General Science Biology Zoology
Which phylum of the Kingdom Animalia exhibits an organ-system level of organisation and has a mantle or mass of soft flesh that envelops the soft body and surrounds the internal organs?
1
Phylum Ctenophora
2
Phylum Mollusca
3
Phylum Porifera
4
Phylum Coelenterata