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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. Life history of Asterias

Give an illustrated account of the reproductive system, life history and development of Asterias. (UPSC 2015, 15 Marks, )

एस्टीरियस के प्रजनन तंत्र, जीवन इतिहास और विकास का चित्रात्मक विवरण दें। (Give an illustrated account of the reproductive system, life history and development of Asterias.)
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