Cysticercus of $Taenia$ develops in

In the secondary host,the transmission of $Taenia$ occurs in the form of:

The gut is present in all of the following taxonomic groups of Platyhelminthes,except for one. Identify the group in which it is absent.

Both alternation of generations and alternation of hosts are present in

Which of the following organisms has only a single opening that serves as both the mouth and the anus?

Planaria,liver fluke,and Taenia solium are: