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Which of the following group of animals reproduces only by sexual means?

A. Ctenophora

B. Cnidaria

C. Porifera

D. Protozoa

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

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  1. Identify the figures and select the correct option 
  2. Identify the correct characteristics of porifera. Commonly known as sea walnuts.Presence of ostia and…
  3. Refer the figures A, B and C and choose the correct option which shows animals that regulate buoyancy…
  4. Which of the following animal contains respiratory organs like, gills, book gills, book lungs or tracheal…
  5. Meandrina (brain coral) belongs to phylum
  6. Which of the following statement(s) is/are correct?(i) Animals in which the cells are arranged in two…
  7. In phylum echinodermata, the adult echinoderms are ______A__________ but larvae are _______B______ .
  8. In amphibians, heart is ________ chambered.
  9. Which of the following features distinguish mammals from other vertebrates ?
  10. Match the terms/feature given in column I with their examples given in column II and select the correct…
  11. The given figure shows some characteristic features marked as chordates. Identify the correct labelling…
  12. Match the types of animals given in column I with their examples given in column II and choose the correct…
  13. Which of the following statements is incorrect ?
  14. Which of the following traits is not shared by both sea anemones and jellyfish ?
  15. The figure given below is the characteristic structure of the phylum in which animals are aquatic, free…
  16. __________ is responsible for maintaining the current of water in sponge.
  17. Which of the following characteristics is correct for reptilia?
  18. Match the phylum given in column - I with their example given in column - II and choose the correct…
  19. Which of the following group of animals belongs to the same phylum?
  20. Which of the following statement(s) is/are correct regarding class aves?(i) The forelimbs are modified…
  21. Identify the figure with its correct name and phylum. 
  22. Which of the following is a fresh water sponge?
  23. The combination of a true coelom and repeating body segmentation allows the annelids (unlike the anatomically…
  24. Aquatic annelids (like Nereis) possess lateral appendages called ______________, which help in swimming.
  25. The following statement are associated with the occurrence of notochord. Identify the incorrect statement.
  26. Which of the following pairs of animals are similar to each other pertaining to the feature stated against…
  27. Identify the correct characteristic feature shown by the given figure? 
  28. Which one of the following statement regarding coelom of given animals is correct?
  29. Polyp phase is absent in
  30. Refer the given figures A, B, C and D and identify the option which shows their correct name.