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WAEC Biology 2026 Question 34

Question 34

Excretion

Organisms that excrete uric acid do so because uric acid

  1. A.requires less energy to synthesize
  2. B.is non-toxic at high concentration
  3. C.is excreted with minimal water loss
  4. D.allows speedy removal of wastes
Show the answer and explanation

Answer: C (is excreted with minimal water loss)

Explanation

Uric acid is almost insoluble and can be passed out as a paste, so birds, reptiles and insects lose very little water excreting it.