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A chitinous lining in earthworm is found in

A. pharynx

B. stomach

C. typholsole

D. gizzard

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  1. Anticoagulant secreted by leech is
  2. The coelomic fluid in earthworm escapes through
  3. The direction of blood flow in the dorsal vessel of earthworm is
  4. In Pheretima, the blood glands are located
  5. The female genital aperture in earthworm is present ventrally on segment
  6. Sperma thecae in earthworm are meant few
  7. The chloragogen cells of earthworm are analogous to
  8. Nereis is commonly called
  9. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  10. In earthworm, the septal nephridia put their excretory discharge into
  11. Structure typically represented in every segment of earthworm is
  12. In earthworm fertilisation occurs in
  13. Blood glands in Earthworm are associated with
  14. The coelom in Pherethna is
  15. In earthworm, the circular muscles are highly developed in
  16. In earthworm, the genital papillae are situated ventrally on segments
  17. Role of typhlosole in the intestine of earthworm is
  18. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  19. In earthworm, the nephridia without neprostomes are
  20. The cliteilum singulum in earthworm is formed by
  21. The excretory organs of earthworm are
  22. Chromophil cells in earthworm are concerned with the secretion of
  23. Chloragogen cells of Pheretima play a role very much like that of
  24. Which region in earthworm is the forest of nephridia ?
  25. Pheretima is
  26. Chetae are totally absent in
  27. The nitrogenous waste in earthworm consist of about
  28. The gizzard of earthworm is an organ of
  29. Metamerism is present in
  30. The fertilization in earthworms occurs in