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Structural Organisation in Animals — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYStructural Organisation in Animals5 Marks
Question
In which segment does the following structures lies in the earthworm's body?
  1. Spermathecae.
  2. Pharynx.
  3. Gizzard.
  4. Intestine.
  5. Septal nephridia.
  6. Ovary.
  7. Testes.
  8. Typhlosole.
  9. Lateral heart.
  10. Pharyngeal nephridia.
✓

Answer

  1. Spermathecae- 6th, 7th, 8th, 9th.
  2. Pharynx- 4th.
  3. Gizzard- 8th- 9th.
  4. Intestine- 15th to last.
  5. Septal nephridia- 15th to last.
  6. Ovary- 13th.
  7. Testes- 10th, 11th.
  8. Typhlosole- 26th- 95th
  9. Lateral heart- 7th, 9th
  10. Pharyngeal nephridia- 4th- 6th 55.

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