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WAEC Biology 2012 Question 27

Question 27

Photosynthesis and Plant Nutrition

The main raw materials required for photosynthesis are

  1. A.oxygen and water.
  2. B.oxygen and carbon dioxide.
  3. C.oxygen and chlorophyll.
  4. D.carbon dioxide and water.
Show the answer and explanation

Answer: D (carbon dioxide and water.)

Explanation

Plants combine carbon dioxide and water, using light energy, to make glucose; oxygen is a product.