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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. Nereis is commonly called
  2. The female genital aperture in earthworm is present ventrally on segment
  3. In earthworm, the nephridia without neprostomes are
  4. The gizzard of earthworm is an organ of
  5. Chromophil cells in earthworm are concerned with the secretion of
  6. Earthworm is useful because it
  7. The coelomic fluid in earthworm escapes through
  8. Which of the following statements is correct ?
  9. Haemoglobin is dissolved in plasma is
  10. The terminal nephridial ducts of the septal nephridia of Pheretima open into
  11. The nitrogenous waste in earthworm consist of about
  12. The coelom in Pherethna is
  13. In earthworm fertilisation occurs in
  14. In earthworm testes are situated in the
  15. Metamerism is present in
  16. The excretory organs of earthworm are
  17. Role of typhlosole in the intestine of earthworm is
  18. Chloragogen cells of Pheretima play a role very much like that of
  19. Anticoagulant secreted by leech is
  20. The enteronephric nephridia in earthworm are
  21. The cliteilum singulum in earthworm is formed by
  22. Locomotion in Earthworm is directly facilitated by
  23. In earthworm, the genital papillae are situated ventrally on segments
  24. In earthworm, the first segment in which mouth is situated is known as
  25. The fertilization in earthworms occurs in
  26. The direction of blood flow in the dorsal vessel of earthworm is
  27. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  28. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  29. Totally marine annelids belong to the
  30. The number of segments in leech is