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WAEC Biology 2003 Question 15

Question 15

Transport in Plants

Transpiration in plants results in the

  1. A.closure of the stomata at night
  2. B.continuous streaming of water through the plant
  3. C.pale, green colouration of portions of the leaves
  4. D.opening of stoma
Show the answer and explanation

Answer: B (continuous streaming of water through the plant)

Explanation

Water evaporating from the leaves pulls more water up from the roots, giving a continuous stream of water (the transpiration stream) through the plant.