| Q.5 | 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? | |
| Ans | 1. Phylum Ctenophora | |
| 2. Phylum Porifera | ||
| 3. Phylum Coelenterata | ||
| 4. Phylum Mollusca |
Correct Ans: 4