Which of the following statements is consistent with $Platyhelminthes$?

Which of the following animals are triploblastic?

Which one of the following is a matching set of the class and some of its main distinguishing features?

Cysticerci in pig muscles can remain viable up to:

Given below are two statements.
Statement $I$: Cephalic ganglion appears like $U$ shaped structure in Hydra.
Statement $II$: Ventral nerve cords are connected to each other by commissure in a ladder like manner in Planarian.
In the light of above statements,choose the most appropriate answer from the options given below:

Which triploblastic animal lacks a coelom?