Study the following and pick the incorrect combinations.
\[
\begin{array}{|c|c|c|c|}
\hline
\text{S.No.} & \text{Phylum} & \text{Peculiar cells} & \text{Example} \\
\hline
\text{I} & \text{Porifera} & \text{Choanocytes} & \textit{Chalina} \\
\hline
\text{II} & \text{Cnidaria} & \text{Lasso cells} & \textit{Hydra} \\
\hline
\text{III} & \text{Ctenophora} & \text{Cnidoblasts} & \textit{Pleurobrachia} \\
\hline
\text{IV} & \text{Platyhelminthes} & \text{Flame cells} & \textit{Echinococcus} \\
\hline
\end{array}
\]
