A skeleton like function during locomotion of Pheretima is performed by

A. alimentary canal laiden with mud

B. blood

C. coelmic fluid

D. ventral nerve cord

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  1. In earthworm, the circular muscles are highly developed in
  2. Sperma thecae in earthworm are meant few
  3. In earthworm, the first segment in which mouth is situated is known as
  4. The chloragogen cells of earthworm are analogous to
  5. Chromophil cells in earthworm are concerned with the secretion of
  6. A chitinous lining in earthworm is found in
  7. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  8. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  9. Which of the following statements is correct ?
  10. Totally marine annelids belong to the
  11. In earthworm fertilisation occurs in
  12. Metamerism is present in
  13. The cliteilum singulum in earthworm is formed by
  14. Role of typhlosole in the intestine of earthworm is
  15. Chloragogen cells of Pheretima play a role very much like that of
  16. The number of segments in leech is
  17. The direction of blood flow in the dorsal vessel of earthworm is
  18. The dorsal blood vessel in earthworm is
  19. Nereis is commonly called
  20. The coelomic fluid in earthworm escapes through
  21. Which region in earthworm is the forest of nephridia ?
  22. Nephrostomes are found in
  23. In Pheretima, the blood glands are located
  24. In earthworm testes are situated in the
  25. The excretory organs of earthworm are
  26. Structure typically represented in every segment of earthworm is
  27. In earthworm, the genital papillae are situated ventrally on segments
  28. In earthworm, the septal nephridia put their excretory discharge into
  29. Locomotion in Earthworm is directly facilitated by
  30. The female genital aperture in earthworm is present ventrally on segment