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Match the following columns and select the correct option.
\( \mathrm{P} \)
\begin{tabular}{|l|l|c|l|}
\hline \multicolumn{2}{|c|}{ Column-I } & \multicolumn{2}{c|}{ Column-II } \\
\hline (A) & \( \begin{array}{l}\text { 6-15 pairs of gill } \\
\text { slits }\end{array} \) & (i) & Trygon \\
\hline (B) & \( \begin{array}{l}\text { Heterocercal } \\
\text { caudal fin }\end{array} \) & (ii) & Cyclostomes \\
\hline (C) & Air bladder & (iii) & Chondrichthyes \\
\hline (D) & Poison sting & (iv) & Osteichthyes \\
\hline
\end{tabular}
W
(A) (B) (C) (D)
(a) (ii) (iii) (iv) (i)
(b) (iii) (iv) (i) (ii)
(c) (iv) (ii) (iii) (i)
(d) (i) (iv) (iii) (ii)
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