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Pedicellariae are modified

A. spines

B. tube feet

C. integumentary structures

D. none of these

Correct Answer : A.


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  1. Star fishes are
  2. Which one of these is an Echinoderm ?
  3. The star fish zygote develops into a
  4. One of these is a stalked echinoderm
  5. The terrestrial species of Echinodermata is *
  6. Auricuiaria is the larva of
  7. Which one of the following Echinoder-mate is found in fresh water ?
  8. The common name of Antedon is
  9. Animals with radial symmetry in adults and bilateral symmetry in larvae are
  10. Main difference between starfishes and brittle stars is in the
  11. Sea cucumber belongs to class
  12. The larva that occurs in the development of Sea urchin is
  13. A calcareous box like test is found in
  14. Class Holothuroidea of phylum Echinodermat a includes
  15. The respiratory organs in a sea star are
  16. Madriporite or seive plate is found in
  17. The Echinoderms are marine animals with
  18. Water vascular system is found in
  19. Sea cucumber belongs to the class
  20. The larvae of sea stars are
  21. Aristotle's Lantern is present in
  22. A very well developed brain is present in
  23. Aristotle's lantern is
  24. Pentamerous echinoderms with five slender flexible arms sharply marked off from the central disc are
  25. In star fish which of the following has dual function of locomotion and respiration
  26. In star fish the locomotary organs are
  27. Ambulacral system or water vascular system is typically found in
  28. The locomotor organs of Echinoderms is called
  29. Which of the following systems is found in Echinoderms ?
  30. Water vascular system helps in