Biology for IGCSE & O level - Plant Nutrition (Section 4 - No. 39)
Which statement best describes the relationship between photosynthesis and cellular respiration?
Photosynthesis and cellular respiration are unrelated processes.
Photosynthesis produces the oxygen needed for cellular respiration.
Photosynthesis and cellular respiration both produce glucose.
Photosynthesis and cellular respiration are opposite processes where one provides the reactants for the other.
Explanation
Photosynthesis uses CO2 and H2O to create glucose and oxygen, and respiration uses the glucose and oxygen to make CO2 and H2O.
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