The female genital aperture in earthworm is present ventrally on segment

A. 10th

B. 12th

C. 14th

D. 18th

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  1. Locomotion in Earthworm is directly facilitated by
  2. In Pheretima, the blood glands are located
  3. Copulation occurs between two earthworms
  4. Spermathecae in earthworm represent
  5. A chitinous lining in earthworm is found in
  6. The chloragogen cells of earthworm are analogous to
  7. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  8. Nereis is commonly called
  9. The excretory organs of earthworm are
  10. The enteronephric nephridia in earthworm are
  11. The fertilization in earthworms occurs in
  12. Earthworm is useful because it
  13. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  14. Annelids show advancement over the nematoda in having
  15. In earthworm, the septal nephridia put their excretory discharge into
  16. Role of typhlosole in the intestine of earthworm is
  17. The number of segments in leech is
  18. Blood glands in Earthworm are associated with
  19. Structure typically represented in every segment of earthworm is
  20. Chetae are totally absent in
  21. The female genital aperture in earthworm is present ventrally on segment
  22. Earthworms do not have any respiratory organs because
  23. The dorsal blood vessel in earthworm is
  24. In earthworm, the nephridia without neprostomes are
  25. A skeleton like function during locomotion of Pheretima is performed by
  26. The coelom in Pherethna is
  27. Haemoglobin is dissolved in plasma is
  28. Totally marine annelids belong to the
  29. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  30. In earthworm fertilisation occurs in