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JAMB Biology 1994 Question 22

Question 22

Excretion

Which of the following waste products in plant is excreted through the stomata and lenticels?

  1. A.Carbondioxide
  2. B.Alkaloids
  3. C.Tannins
  4. D.Anthocyanins.
Show the answer and explanation

Answer: A (Carbondioxide)

Explanation

Gaseous wastes such as carbon dioxide (and oxygen) leave the plant by diffusion through stomata and lenticels. The others are stored in tissues.