Multiple choice

Birds do not face the scarcity of water because

  1. excreting with mere water

  2. excreting without water

  3. excreting with less water

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Birds excrete nitrogenous waste primarily as uric acid, which is a semi-solid paste requiring very little water for excretion, allowing them to conserve water effectively.