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WAEC Agricultural Science 2007 Question 23

Question 23

Agricultural Ecology

Which of the following processes in plants are directly affected by high temperature? I. Water absorption II. Photosynthesis III. Respiration IV. Photoperiodism

  1. A.I and II only
  2. B.I, II and III only
  3. C.I and IV only
  4. D.II, III and IV only.
Show the answer and explanation

Answer: B (I, II and III only)

Explanation

Temperature changes the rate of water uptake and enzyme processes; day-length responses depend on light.