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WAEC Biology 1994 Question 20

Question 20

Excretion

Which of the following performs the same function as the contractile vacuole of a unicellular organism?

  1. A.Kidney
  2. B.Alimentary canal
  3. C.Liver
  4. D.Pancreas
  5. E.Bladder
Show the answer and explanation

Answer: A (Kidney)

Explanation

Both the kidney and the contractile vacuole control the water content of the body (osmoregulation).