A student writes: 'Increasing the light intensity will always increase the rate of photosynthesis.' Which is the best evaluation of this statement?
Correct, because light is needed for the first stage of photosynthesis.
Correct, because more light energy is absorbed by the chlorophyll.
Incorrect, because bright light always denatures the enzymes in the leaf.
Incorrect, because another factor may limit the rate at high light intensity.
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.