MCQ
Closed circulatory system occurs in:
- ASnail.
- BCockroach.
- CCuttle fish.
- DAll of these.
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$\begin{array}{|l|l|} \hline Column\,\,I & Column\,\,II \\ \hline A.\,\,Physallia & 1.\,\,Liver\,\,fluke \\ \hline B.\,\,Taenia & 2.\,\,Sycon \\ \hline C.\,\,Fasciola & 3.\,\,Tape\,\,worm \\ \hline D.\,\,Scypha & 4.\,\,Portugese\,\,man\,\,of\,\,war \\ \hline \end{array}$
$A\ \ B\ \ C\ \ D$