Two identical potted plants, P and Q, were kept in separate cabinets for one hour. The temperature, light intensity and air movement were the same in both cabinets.
The table shows the mass of water vapour in the air of each cabinet.
| Plant | Mass of water vapour in each m³ of air in g |
|---|---|
| P | 6 |
| Q | 14 |
Name the environmental factor that was different in the two cabinets.
State which plant has the greater rate of transpiration.
Explain why the plant you named in part (b) has the greater rate of transpiration.
74 exam-style questions on AQA GCSE Biology 2.3 Plant tissues, organs and systems, covering 2.3.1 Plant tissues and 2.3.2 Plant organ system. Each one has a worked solution and a mark scheme showing where the marks go.