Home

Sperma thecae in earthworm are meant few

A. producing sperms

B. storage of its own sperms

C. storage of sperms of another earthworm after copulation

D. all of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Haemoglobin is dissolved in plasma is
  2. In Pheretima, the blood glands are located
  3. Role of typhlosole in the intestine of earthworm is
  4. A skeleton like function during locomotion of Pheretima is performed by
  5. Nereis is commonly called
  6. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  7. Which of the following statements is correct ?
  8. Earthworms do not have any respiratory organs because
  9. Annelids show advancement over the nematoda in having
  10. The fertilization in earthworms occurs in
  11. In earthworm, the septal nephridia put their excretory discharge into
  12. The chloragogen cells of earthworm are analogous to
  13. Structure typically represented in every segment of earthworm is
  14. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  15. The female genital aperture in earthworm is present ventrally on segment
  16. Earthworm is useful because it
  17. The coelom in Pherethna is
  18. Chloragogen cells of Pheretima play a role very much like that of
  19. The dorsal blood vessel in earthworm is
  20. Chromophil cells in earthworm are concerned with the secretion of
  21. 5. The pre-typhlosolar region in Pheretima extends from
  22. Totally marine annelids belong to the
  23. Pheretima is
  24. The gizzard of earthworm is an organ of
  25. In earthworm, the nephridia without neprostomes are
  26. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  27. The cliteilum singulum in earthworm is formed by
  28. Metamerism is present in
  29. A chitinous lining in earthworm is found in
  30. In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments.…