Which statement describes the energy change during photosynthesis?
Light energy is released in an exothermic reaction.
Light energy is released in an endothermic reaction.
Light energy is absorbed in an endothermic reaction.
Light energy is absorbed in an exothermic reaction.
44 exam-style questions on Edexcel GCSE Biology 6.1 Photosynthesis, covering 6.1.1 Photosynthetic organisms as producers, 6.1.2a Limiting factors on the rate of photosynthesis, 6.1.2b Interactions of limiting factors on photosynthesis, and 6.1.3 Inverse square law and light intensity. Each one has a worked solution and a mark scheme showing where the marks go.