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Life Processes — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLife Processes1 Mark
MCQ
Which of the following organisms is ammonotelic?
  • ✓
    Birds.
  • B
    Humans.
  • C
    Reptiles.
  • D
    Aquatic animals.
✓

Answer

Correct option: A.
Birds.
An ammonotelic organism excretes nitrogenous waste as soluble ammonia. Most of the aquatic animals including protozoans, crustaceans,
platyhelminths, cnidarians, poriferans, echinoderms, fishes, larvae tadpoles of amphibians are ammonotelic.

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