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In amphibians, heart is ________ chambered.

A. two

B. three

C. four

D. none of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Which one of the following groups of animals is correctly matched with its characteristic feature without…
  2. Which of the following is a connecting link between invertebrates and non-invertebrates?
  3. Match the organisms given in column-I with their common name given in column-II and choose the correct…
  4. Which of the following is not a chordate character?
  5. Identify the figure with its correct name and phylum. 
  6. Which of the following statement(s) is/are correct regarding phylum mollusca?
  7. Which of the following pairs of animals comprises jawless fishes?
  8. Examine the figures A, B and C. In which one of the four options all the items A, B and C are correctly…
  9. Which of the following statement(s) is/are correct regarding phylum coelenterata?(i) They are aquatic,…
  10. Which of the following traits is not shared by both sea anemones and jellyfish ?
  11. Which of the following feature is not correct regarding the figure given below? 
  12. Refer the types of cells present in some animals. Each cell is specialized to perform a single specific…
  13. Match the types of animals given in column I with their examples given in column II and choose the correct…
  14. Match the characteristic feature/terms given in column I with the phylum to which they belongs given…
  15. Which of the following animal contains respiratory organs like, gills, book gills, book lungs or tracheal…
  16. Which of the follwoing statement(s) is/are correct?(i) Organ systems in different group of animals show…
  17. Identify the correct characteristics of porifera. Commonly known as sea walnuts.Presence of ostia and…
  18. The following statement are associated with the occurrence of notochord. Identify the incorrect statement.
  19. In ctenophora, the body bears _______ external rows of ciliated comb plates, which help in locomotion.
  20. Polyp phase is absent in
  21. Which of the following phylum is being described by the given statements?(i) They are bilaterally symmetrical,triploblastic,…
  22. Which of the following statement(s) is/are correct regarding phylum aschelminthes?(i) The body is circular…
  23. The figure given below is the characteristic structure of the phylum in which animals are aquatic, free…
  24. Which of the following statements (i - v) are correct ?(i) The pelvic fins of female sharks bear claspers.(ii)…
  25. Match the phylum given in column - I with the special features present in them given in column - II…
  26. Which of the following characteristics is correct for reptilia?
  27. The transition from aquatic to terrestrial lifestyles required many adaptations in the vertebrate lineage.…
  28. Which of the following is not a characteristic feature of kingdom animalia ?
  29. Identify the figure with its correct name and phylum. 
  30. Match the terms/feature given in column I with their examples given in column II and select the correct…