Chloragogen cells of Pheretima play a role very much like that of

A. Liver of vertebrates

B. Choanocytes of sponges

C. Malpighian tubules of vertebrates

D. None of these

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  1. Earthworms do not have any respiratory organs because
  2. Pheretima is
  3. The enteronephric nephridia in earthworm are
  4. The coelomic fluid in earthworm escapes through
  5. In earthworm, the nephridia without neprostomes are
  6. Chetae are totally absent in
  7. The dorsal blood vessel in earthworm is
  8. Nephrostomes are found in
  9. In Pheretima, the blood glands are located
  10. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  11. Structure typically represented in every segment of earthworm is
  12. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  13. Chloragogen cells of Pheretima play a role very much like that of
  14. The excretory organs of earthworm are
  15. The coelom in Pherethna is
  16. Chromophil cells in earthworm are concerned with the secretion of
  17. The gizzard of earthworm is an organ of
  18. Which region in earthworm is the forest of nephridia ?
  19. Nereis is commonly called
  20. In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments.…
  21. A skeleton like function during locomotion of Pheretima is performed by
  22. The female genital aperture in earthworm is present ventrally on segment
  23. The fertilization in earthworms occurs in
  24. The cliteilum singulum in earthworm is formed by
  25. In earthworm, the genital papillae are situated ventrally on segments
  26. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  27. In earthworm fertilisation occurs in
  28. Role of typhlosole in the intestine of earthworm is
  29. In earthworm, the septal nephridia put their excretory discharge into
  30. The nitrogenous waste in earthworm consist of about