The body segments in earthworm are called

In $Pheretima$, the number of ring vessels per segment in $12^{\text{th}}$ and $13^{\text{th}}$ segments is: (in $pairs$)

In earthworms,the clitellum is located in which segments?

Which of the following types of nephridia is not found in earthworms?

If a needle is pricked into a living earthworm on its outer surface without damaging the gut,the fluid that comes out is ....

Identify the correct terms for the following analogy:
$(i)$ Excretory organ in cockroach : Malpighian tubules :: In earthworm : ...........
(ii) Scientific name of cockroach : Periplaneta americana :: Scientific name of earthworm : ...........