The characters of jellyfish include:
(A) Typically have radial symmetry
(B) Have head and mouth
(C) Triploblastic tissue organization
(D) Have specialized cells called nematocysts
Choose the correct answer from the options given below:
जेलीफ़िश (Jellyfish / Cnidaria) के लक्षणों में शामिल हैं:
Jellyfishes belong to the phylum Cnidaria (class Scyphozoa). Their biological characteristics are:
- Radial (or tetramerous) body symmetry - True
- Possess head and mouth - False (they lack cephalization/head, though a central mouth/manubrium is present)
- Triploblastic tissue organization - False (they are strictly Diploblastic with ectoderm, endoderm, and jelly-like acellular mesoglea)
- Possess specialized stinging cells called nematocysts / cnidocytes - True.
अतः केवल (A) और (D) सही हैं।
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