The presence of a special sense organ statocyst at the opposite end of mouth that is (aboral end) is the characteristic of

The presence of a special sense organ statocyst at the opposite end of mouth that is (aboral end) is the characteristic 1)Cnidarians 2) Platyhelminthes 3) Ctenophora 4) Nematodes

At the open end of organ pipe

At the closed end of an organ pipe :

Statocysts are sense organs of

Statocysts are sense organs of

A bacterium having flagella on the opposite ends is

A bacterium having one flagella each on the opposite ends is