SSC Steno Grade C and D 6 Aug 2025 Shift 3 Paper

Section: General Awareness

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Question : 87 of 200

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Which of the following is a unique characteristic of sponges (Phylum Porifera)?

Water canal system and choanocytes
Radial symmetry and presence of tentacles
Jointed appendages and chitinous exoskeleton
Presence of cnidoblasts for defense

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