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The fertilization in earthworms occurs in

A. oviduct

B. spermatheca

C. cocoon

D. clitellum

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  1. Chromophil cells in earthworm are concerned with the secretion of
  2. In earthworm, the first segment in which mouth is situated is known as
  3. In earthworm, the circular muscles are highly developed in
  4. The direction of blood flow in the dorsal vessel of earthworm is
  5. The nitrogenous waste in earthworm consist of about
  6. Sperma thecae in earthworm are meant few
  7. Chetae are totally absent in
  8. Copulation occurs between two earthworms
  9. Annelids show advancement over the nematoda in having
  10. The chloragogen cells of earthworm are analogous to
  11. In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments.…
  12. Locomotion in Earthworm is directly facilitated by
  13. Structure typically represented in every segment of earthworm is
  14. The gizzard of earthworm is an organ of
  15. 5. The pre-typhlosolar region in Pheretima extends from
  16. In earthworm, the septal nephridia put their excretory discharge into
  17. In Pheretima, the blood glands are located
  18. The dorsal blood vessel in earthworm is
  19. The fertilization in earthworms occurs in
  20. The coelom in Pherethna is
  21. The excretory organs of earthworm are
  22. Role of typhlosole in the intestine of earthworm is
  23. Pheretima is
  24. A chitinous lining in earthworm is found in
  25. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  26. In earthworm, the nephridia without neprostomes are
  27. Anticoagulant secreted by leech is
  28. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  29. Earthworms do not have any respiratory organs because
  30. Haemoglobin is dissolved in plasma is