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The enteronephric nephridia in earthworm are

A. integumentary

B. pharyngeal only

C. septal only

D. both (b) and (c)

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  1. The nitrogenous waste in earthworm consist of about
  2. The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
  3. In earthworm, the first segment in which mouth is situated is known as
  4. In earthworm, the nephridia without neprostomes are
  5. Structure typically represented in every segment of earthworm is
  6. Chromophil cells in earthworm are concerned with the secretion of
  7. Which region in earthworm is the forest of nephridia ?
  8. The excretory organs of earthworm are
  9. In earthworm, the circular muscles are highly developed in
  10. A chitinous lining in earthworm is found in
  11. Nereis is commonly called
  12. Metamerism is present in
  13. The dorsal blood vessel in earthworm is
  14. Anticoagulant secreted by leech is
  15. The gizzard of earthworm is an organ of
  16. In earthworm, the septal nephridia put their excretory discharge into
  17. The number of segments in leech is
  18. The female genital aperture in earthworm is present ventrally on segment
  19. Locomotion in Earthworm is directly facilitated by
  20. Which of the following statements is correct ?
  21. Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
  22. Haemoglobin is dissolved in plasma is
  23. Blood glands in Earthworm are associated with
  24. Totally marine annelids belong to the
  25. Spermathecae in earthworm represent
  26. In earthworm, the genital papillae are situated ventrally on segments
  27. Pheretima is
  28. Copulation occurs between two earthworms
  29. A skeleton like function during locomotion of Pheretima is performed by
  30. The terminal nephridial ducts of the septal nephridia of Pheretima open into