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WAEC Biology 2017 Question 24

Question 24

Photosynthesis and Plant Nutrition

Which of the following processes are associated with photosynthesis? I. Energy from sunlight is absorbed II. Carbon dioxide is evolved III. Oxygen is given off IV. Glucose is synthesized

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

Answer: C (I, III and IV only)

Explanation

In photosynthesis light energy is absorbed, oxygen is given off and glucose is made. Carbon dioxide is used up, not given off.