The fertilization in earthworms occurs in

A. oviduct

B. spermatheca

C. cocoon

D. clitellum

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  1. The dorsal blood vessel in earthworm is
  2. Structure typically represented in every segment of earthworm is
  3. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  4. Locomotion in Earthworm is directly facilitated by
  5. The fertilization in earthworms occurs in
  6. 5. The pre-typhlosolar region in Pheretima extends from
  7. The excretory organs of earthworm are
  8. A chitinous lining in earthworm is found in
  9. Role of typhlosole in the intestine of earthworm is
  10. Metamerism is present in
  11. Copulation occurs between two earthworms
  12. The gizzard of earthworm is an organ of
  13. The nitrogenous waste in earthworm consist of about
  14. Nephrostomes are found in
  15. In earthworm, the circular muscles are highly developed in
  16. Blood glands in Earthworm are associated with
  17. Sperma thecae in earthworm are meant few
  18. The coelomic fluid in earthworm escapes through
  19. Haemoglobin is dissolved in plasma is
  20. Spermathecae in earthworm represent
  21. In earthworm, the nephridia without neprostomes are
  22. Chromophil cells in earthworm are concerned with the secretion of
  23. Totally marine annelids belong to the
  24. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  25. Annelids show advancement over the nematoda in having
  26. The cliteilum singulum in earthworm is formed by
  27. Nereis is commonly called
  28. Which region in earthworm is the forest of nephridia ?
  29. In earthworm, the genital papillae are situated ventrally on segments
  30. In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments.…