Describe5 marksStandard
A student investigated the effect of four different environmental conditions on the rate of transpiration of a plant. The relative transpiration rate (arbitrary units) was measured under each condition. The results are shown in the table below.
| Condition | Relative transpiration rate (arbitrary units) |
|---|---|
| High humidity (90% RH) | 2 |
| Low humidity (30% RH) | 10 |
| High temperature (35°C) | 12 |
| Low temperature (15°C) | 4 |
| Still air | 5 |
| Moving air | 11 |
| Darkness | 3 |
| Light | 9 |
Describe how each of these conditions affects the rate of transpiration, and explain the mechanisms involved.