Match List-I with List-II:
List-I A. Pleurobrachia B. Radula C. Stomochord D. Air bladder
List-II I. Mollusca II. Ctenophora III. Osteichthyes IV. Hemichordata
A-II, B-I, C-IV, D-III
A-II, B-IV, C-I, D-III
A-IV, B-II, C-III, D-I
A-I, B-II, C-III, D-IV
A. Pleurobrachia is an example of Phylum Ctenophora (Comb jellies) . B. Radula is a file-like rasping organ for feeding found in the mouth of members of Phylum Mollusca . C. Stomochord is a rudimentary structure similar to notochord found in the collar region of Phylum Hemichordata . D. Air bladder is present in Class Osteichthyes (bony fishes) which regulates buoyancy .
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