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  • PYQs (GS & Optional)
  • (j) Echinodermata: Feeding, respiration, locomotion, larval forms, general features and life history of Asterias

    • Echinodermata
      • Describe different larval forms of Echinoderms and comment on their evolutionary significance.
      • Describe the larval forms in Echinodermata. Add a note on their evolutionary significance.
      • Draw labelled diagrams of basic echinoderm larval forms and describe their evolutionary importance.
      • Explicate the larval forms of Echinodermata and comment on their significance.
      • Pedicellariae of echinoderms. 200 Words
      • Give a detailed account of various larval forms of echinoderms and discuss their significance.
    • Feeding in Asterias
    • Respiration in Asterias
    • Locomotion in Asterias
    • Larval forms of Asterias
      • Describe the structural peculiarities of larval forms in Echinoderms.
      • Make a labelled diagrammatic representation of the basic forms and diversities in Echinoderm larvae and describe their evolutionary significance.
      • Make a labelled diagrammatic representation of the basic forms and diversities in Echinoderm larvae and describe their evolutionary significance.
      • Enlist and draw the diagrams of various larval forms of Echinoderms and describe their evolutionary significance. 200 Words
    • General features of Asterias
      • Describe the structure and function of the water-vascular system in echinoderms.
      • Describe the perivisceral coelom and endoskeleton of Asterias.
      • Water Vascular System in Asterias.
      • Ambulacral system in Asterias.
      • Describe the water vascular system of Asterias.
    • Give an illustrated account of the reproductive system, life history and development of Asterias.
  1. PYQs and Practice Questions
  2. UPSC Optionals
  3. Zoology Optional
  4. Non-chordata and Chordata
  5. (j) Echinodermata: Feeding, respiration, locomotion, larval forms, general features and life history of Asterias
  6. Echinodermata

Describe the larval forms in Echinodermata. Add a note on their evolutionary significance. (UPSC 2017, 15 Marks, )

  1. Posted by: Synopsis IAS
  2. Posted on:31 July 2025
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एकाइनोडर्मेटा में लार्वा रूपों का वर्णन करें। उनके विकासात्मक महत्व पर एक टिप्पणी जोड़ें। (Describe the larval forms in Echinodermata. Add a note on their evolutionary significance.)
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