The white areas of a variegated leaf contain no chlorophyll. Which statement explains why the rate of photosynthesis in the white areas is lower?
The white areas absorb less light energy, so less glucose is made
The white areas absorb more light energy, so less glucose is made
The white areas contain no stomata, so less carbon dioxide diffuses in
The white areas contain no xylem, so less water reaches the cells
68 exam-style questions on AQA GCSE Biology 4.1 Photosynthesis, covering 4.1.1 Photosynthetic reaction, 4.1.2 Rate of photosynthesis, and 4.1.3 Uses of glucose from photosynthesis. Each one has a worked solution and a mark scheme showing where the marks go.