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NTA Abhyas NEET2020BotanyAnimal KingdomPractice

Radial symmetry is found in

Options

  1. ALarva of Echinodermates
  2. BMost of sponges
  3. CMolluscs
  4. DNone of the above

Correct answer

D. None of the above

Step-by-step solution

Types of animals on the basis of symmetry: a. Asymmetrical - No particular symmetry. Examples - Most of the sponges. b. Radially symmetrical - When any plane passing through the central axis of the body divides the organism into 2 equal halves. Examples - Few sponges, coelenterates, ctenophores and adult echinoderms. c. Bilaterally symmetrical - If the body of an organism is divisible into 2 equal halves only in one plane. Examples - Platyhelminthes, aschelminthes, annelids, arthropods, molluscs, echinoderms and ch

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