The nitrogenous waste in earthworm consist of about

A. 40% urea and 40% uric acid

B. 50% urea and 40% ammonia

C. 40% ammonia and 20% amino acids

D. 60% ammonia and 20% amino acids

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  1. In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments.…
  2. Earthworms do not have any respiratory organs because
  3. In earthworm, the circular muscles are highly developed in
  4. Structure typically represented in every segment of earthworm is
  5. Metamerism is present in
  6. A chitinous lining in earthworm is found in
  7. The cliteilum singulum in earthworm is formed by
  8. Annelids show advancement over the nematoda in having
  9. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  10. The number of segments in leech is
  11. The dorsal blood vessel in earthworm is
  12. In Pheretima, the blood glands are located
  13. The female genital aperture in earthworm is present ventrally on segment
  14. The nitrogenous waste in earthworm consist of about
  15. Pheretima is
  16. Haemoglobin is dissolved in plasma is
  17. Earthworm is useful because it
  18. Blood glands in Earthworm are associated with
  19. Sperma thecae in earthworm are meant few
  20. The coelom in Pherethna is
  21. In earthworm, the septal nephridia put their excretory discharge into
  22. The excretory organs of earthworm are
  23. Which region in earthworm is the forest of nephridia ?
  24. Nereis is commonly called
  25. Chromophil cells in earthworm are concerned with the secretion of
  26. A skeleton like function during locomotion of Pheretima is performed by
  27. The enteronephric nephridia in earthworm are
  28. Chloragogen cells of Pheretima play a role very much like that of
  29. Role of typhlosole in the intestine of earthworm is
  30. In earthworm testes are situated in the