NEETBotanyAnimal Kingdom
Read the following statements and choose the follwoing option: 1. Annelida have their body surface marked out into segments 2. Annelida are radially symmetric and exhibit organ system level of organisation. 3. Cnidarians exhibit tissue level of organisation and are diploblastic. 4. Cnidarians have a central gastro-vascular cavity with a single opening, mouth on hypostome. 5. Roundworms have organ-system level of body
Options
- ABoth 3 and 5 are correct
- BBoth 1 and 2 is corect
- COnly 2 is incorrect
- DBoth 1 and 4 are incorrect
Correct answer
C. Only 2 is incorrect
Step-by-step solution
They are triploblastic, metamerically segmented and coelomate animals. Their body surface is distinctly marked out into segments or metameres and, hence, the phylum name Annelida.,Roundworms have organ-system level of body organisation. ,Cnidarians exhibit tissue level of organisation and are diploblastic. They have a central gastro-vascular cavity with a single opening, mouth on hypostome.