Photosynthesis takes place in two stages. Which substances are joined together in the second stage to make glucose?
hydrogen and oxygen
carbon dioxide and hydrogen
carbon dioxide and oxygen
water and carbon dioxide
117 exam-style questions on OCR GCSE Biology 1.4 Photosynthesis, covering 1.4.1 Photosynthesisers as biomass producers, 1.4.2 Factors affecting the rate of photosynthesis, and 1.4.3 Limiting factors in photosynthesis. Each one has a worked solution and a mark scheme showing where the marks go.