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The terminal nephridial ducts of the septal nephridia of Pheretima open into

A. each intersegmental septum

B. septal excretory canal

C. lumen of the intestine

D. supra-intestinal excretory ducts

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  1. Pheretima is
  2. Chromophil cells in earthworm are concerned with the secretion of
  3. The fertilization in earthworms occurs in
  4. Which region in earthworm is the forest of nephridia ?
  5. The coelom in Pherethna is
  6. Chloragogen cells of Pheretima play a role very much like that of
  7. The nitrogenous waste in earthworm consist of about
  8. The gizzard of earthworm is an organ of
  9. Which of the following statements is correct ?
  10. 5. The pre-typhlosolar region in Pheretima extends from
  11. Nephrostomes are found in
  12. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  13. In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments.…
  14. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  15. Spermathecae in earthworm represent
  16. A skeleton like function during locomotion of Pheretima is performed by
  17. In earthworm fertilisation occurs in
  18. In earthworm, the first segment in which mouth is situated is known as
  19. Earthworms do not have any respiratory organs because
  20. Nereis is commonly called
  21. The chloragogen cells of earthworm are analogous to
  22. Locomotion in Earthworm is directly facilitated by
  23. In earthworm, the septal nephridia put their excretory discharge into
  24. The direction of blood flow in the dorsal vessel of earthworm is
  25. The female genital aperture in earthworm is present ventrally on segment
  26. Annelids show advancement over the nematoda in having
  27. Chetae are totally absent in
  28. Anticoagulant secreted by leech is
  29. Structure typically represented in every segment of earthworm is
  30. The number of segments in leech is