| Select | | View | Download | | 21.1 Testing a leaf for starch (iodine test) | | |
| 21.2 Testing for the release of oxygen from water plants | | |
| 21.3 Investigation of the need for chlorophyll in photosynthesis | | |
| 21.4 Investigation of the need for light in photosynthesis | | |
| 21.5 Investigation of the need for carbon dioxide in photosynthesis | | |
| 21.6 Examination of the structure of dicotyledonous leaves related to photosynthesis | | |
| 21.7(I) Investigation of the effect of light intensity on the rate of photosynthesis | | |
| 21.7(II) Investigation of the effect of light intensity on the rate of photosynthesis using a data logger | | |
| 21.8 Designing an investigation of the effect of carbon dioxide concentration on the rate of photosynthesis | | |