1. This about sponges is true

2. _____________ is the name of the dried skeleton of ‘Venus flower basket’

3. Members of phylum Porifera are

4. Animals lacking excretory, respiratory and circulatory structures are

5. These are ‘multicellular grade’ entity

6. The group of animals to which Sycon belongs can be best described as

7. Collared, flagellated cells that cover large parts of the inner chambers of sponges, helping water circulation to continue are

8. This is a flagellated larva of Leucosolenia

9. Poriferan evolution from protozoans is evidenced by animals such as

10. The chamber common to all the types of the canal system of sponges is