passwella.
Menu

WAEC Biology 2010 Question 22

Question 22

Transport in Plants

Which of the following statements is true about transpiration? It is the

  1. A.loss of water in the form of vapour from the surface of the leaf.
  2. B.loss of water in the form of vapour from the surface of the root.
  3. C.absorption of water in the form of vapour from the body of the plant.
  4. D.movement of water through the body of the plant.
Show the answer and explanation

Answer: A (loss of water in the form of vapour from the surface of the leaf.)

Explanation

Transpiration is the evaporation of water vapour from the aerial parts of a plant, mainly through the stomata of leaves.