Excretion in Other Animals · NCERT Biology

Which of the following animals is ammonotelic?

  1. Human adult
  2. Frog larva
  3. Desert lizard
  4. Sparrow
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Correct answer: Frog larva

Frog larvae (tadpoles) live in water and excrete ammonia directly into the surrounding medium. This allows rapid diffusion of the toxic waste before it accumulates.

Difficulty: Medium Question 19 of 20

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