Practice Questions

1.Define the term transpiration 

Transpiration is defined as the loss of water vapour from the leaves of the plant, through the open stomata

2. State 4 factors that affect the rate of transpiration

1.Temperature

2.Humidity

3.Air movement

4. Light intensity

3. Define the term transpiration stream

The transpiration stream is the continuous movement of water from the roots, through the xylem, up the stem, and to the leaves, where water evaporates from the leaf surface and diffuses out through the stomata.