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WAEC Biology 2014 Question 1

Question 1

Excretion

The excretory product in protozoans is

  1. A.amino acid.
  2. B.uric acid.
  3. C.ammonia.
  4. D.urea.
Show the answer and explanation

Answer: C (ammonia.)

Explanation

Protozoans live in water and get rid of nitrogen as ammonia, which diffuses out easily and is diluted by the water.