Porifera: Skeleton

Give an account of the various skeletal structures in sponges. (UPSC 2024, 15 Marks, )

स्पंज में विभिन्न कंकाल संरचनाओं का वर्णन करें। (Give an account of the various skeletal structures in sponges.)
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Skeleton in Porifera. (UPSC 2023, 8 Marks, )

पोरीफेरा में कंकाल। (Skeleton in Porifera.)
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Skeleton in Porifera. (UPSC 2023, 8 Marks, )

पोरीफेरा में कंकाल। (Skeleton in Porifera.)
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Skeleton in sponges. (UPSC 2020, 10 Marks, )

स्पंज में कंकाल। (Skeleton in sponges.)
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General characters and classification of Porifera. (UPSC 2019, 10 Marks, )

पोरीफेरा के सामान्य लक्षण और वर्गीकरण। (General characters and classification of Porifera.)
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Spicules in Porifera. (UPSC 2018, 8 Marks, )

पोरीफेरा में स्पिक्यूल्स। (Spicules in Porifera.)
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