A student writes: "In photosynthesis, glucose and oxygen react to make carbon dioxide and water, and light energy is released." Which two changes are needed to make this statement correct?
Swap the reactants and the products, and change "released" to "absorbed"
Swap the reactants and the products, and change "light" to "chemical"
Keep the reactants and the products, and change "released" to "absorbed"
Keep the reactants and the products, and change "light" to "chemical"
54 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.