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Unilorin Post-UTME Biology 2022 (Model questions) Question 23

Question 23

Cell Structure and Organisation

The release of useful substances from cells of an organism is called

  1. A.excretion
  2. B.evacuation
  3. C.metabolism
  4. D.secretion
Show the answer and explanation

Answer: D (secretion)

Explanation

Secretion releases useful substances such as enzymes and hormones; excretion removes waste.