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A file like rasping organ for feeding, called radula, present in the phylum __________.

A. arthropoda

B. mollusca

C. echinodermata

D. chordata

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  1. Which of the following feature is not correct regarding the figure given below? 
  2. Which of the following is not a chordate character?
  3. Refer the following animals and identify those which have a fluid filled body cavity with a complete…
  4. The given figures A, B, C and D are the examples of first true land vertebrates. They are dominant in…
  5. Read the following statements and answer the question.(i) They are exclusively marine, radially symmetrical,…
  6. Which of the following statement(s) is/are correct regarding phylum mollusca?
  7. Column I contains zoological names of animals and column II contains their common name. Match the following…
  8. Which of the following character is absent in all chordates?
  9. The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage.…
  10. Which of the following statements (i v) are incorrect?(i) Parapodia are lateral appendages in arthropods…
  11. Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
  12. Match the phylum given in column - I with their example given in column - II and choose the correct…
  13. Which one of the following categories of animals is correctly described with no single exception in…
  14. Refer the following statement and answer the question. 'Name of X is derived from stinging capsules.…
  15. Which of the following class is being correctly described by given statements (i - iv)?(i) All living…
  16. In which of the phylum, excretory organ like proboscis gland is present?
  17. The given figures (A & B) shows the germinal layer. The animals having structures shown in the figures…
  18. When any plane passing through the central axis of the body divides the organism into two identical…
  19. The given figure shows some characteristic features marked as chordates. Identify the correct labelling…
  20. Few cnidarians like corals have a skeleton composed of
  21. Which of the following feature in birds indicates their reptilian ancestory ?
  22. Which one of the following statement regarding coelom of given animals is correct?
  23. Animals like annelids, arthropods, etc. where the body can be divided into identical left and right…
  24. The figure given below shows the germinal layers marked as A, B, C and D. Identify the label showing…
  25. Which of the following pairs of animals are similar to each other pertaining to the feature stated against…
  26. Which of the following group of animals reproduces only by sexual means?
  27. Which of the following group of animals belongs to the same phylum?
  28. Examine the figures A, B and C. In which one of the four options all the items A, B and C are correctly…
  29. Which of the following characteristic distinguish arthropoda from annelids and molluscs ?
  30. Which of the following possesses electric organs and belongs to class chondrichthyes?