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Topic Section:
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Phylum Mollusca (1)
Class Cyclostomata (0)
Phylum Echinodermata (0)
Class Chondrichthyes (0)
Phylum Hemichordata (0)
Class Osteichthyes (0)
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General Introduction: Vertebrates & Agnatha (0)
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Q1.
Octopus
has:
Tetrameric radial symmetry
Hexameric radial symmetry
Octomeric radial symmetry
Bilateral symmetry
Explanation:
Page 53-54, XI NCERT