1. The earthworm is placed under the group

2. The parasite found in the seminal vesicle of earthworms are

3. The typhlosole in earthworm is related to

4. Colour of the body in earthworms is due to the presence of

5. Region of earthworm that is a forest of nephridia is

6. Chloragogen cells are found in

7. This animal does not show any metamorphosis of larval stage

8. The most effective organ for food digestion in earthworm is

9. The typhlosole found in Pheretima occurs in

10. In earthworm, the mouth is located on