| Statement I: | Sponges exhibit a cellular level of organization. |
| Statement II: | Cnidarians have a tissue level of organization. |
| 1. | Statement I is correct but Statement II is incorrect. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Which of the following is not a feature of Porifera?
1. Exclusively marine animals
2. Presence of a water transport or a canal system
3. Sexes are not separate
4. Internal fertilization and indirect development
| 1. | Choanocyte and helps sponges in movement of water through their canal system |
| 2. | Choanocyte and helps sponges in reproducing asexually under favourable conditions |
| 3. | Cnidocyte and helps sponges in catching their prey by paralyzing them |
| 4. | Colloblast and helps sponges in sticking to a surface |