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WAEC Biology 2005 Question 22

Question 22

Respiration

In plants, respiration occurs in

  1. A.mesophyll cells only
  2. B.the root only
  3. C.the stomata and lenticel only
  4. D.all living cells
Show the answer and explanation

Answer: D (all living cells)

Explanation

Every living cell of a plant respires all the time to release energy; stomata and lenticels are only openings for gas exchange.