JAMB Biology 1978 Question 3

Question 3

Photosynthesis and Plant Nutrition

The oxygen given off during the process is derived from

  1. A.sunlight
  2. B.chlorophyll
  3. C.carbon dioxide
  4. D.atmosphere
  5. E.water
Show the answer and explanation

Answer: E (water)

Explanation

In the light stage water is split (photolysis); its oxygen is released as oxygen gas.