Nephrostomes are found in

A. integumentary nephridia

B. septal nephridia

C. pharyngeal nephridia

D. none of these

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  1. In earthworm, the circular muscles are highly developed in
  2. Annelids show advancement over the nematoda in having
  3. The excretory organs of earthworm are
  4. Blood glands in Earthworm are associated with
  5. Chloragogen cells of Pheretima play a role very much like that of
  6. Structure typically represented in every segment of earthworm is
  7. Role of typhlosole in the intestine of earthworm is
  8. In earthworm, the nephridia without neprostomes are
  9. Which region in earthworm is the forest of nephridia ?
  10. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  11. In earthworm testes are situated in the
  12. In earthworm, the genital papillae are situated ventrally on segments
  13. Totally marine annelids belong to the
  14. Sperma thecae in earthworm are meant few
  15. Haemoglobin is dissolved in plasma is
  16. Which of the following statements is correct ?
  17. The cliteilum singulum in earthworm is formed by
  18. The chloragogen cells of earthworm are analogous to
  19. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  20. Metamerism is present in
  21. In earthworm, the septal nephridia put their excretory discharge into
  22. Anticoagulant secreted by leech is
  23. The female genital aperture in earthworm is present ventrally on segment
  24. The nitrogenous waste in earthworm consist of about
  25. Chetae are totally absent in
  26. The gizzard of earthworm is an organ of
  27. Earthworms do not have any respiratory organs because
  28. In earthworm fertilisation occurs in
  29. In earthworm, the first segment in which mouth is situated is known as
  30. The direction of blood flow in the dorsal vessel of earthworm is