State the route water follows as it enters and moves through a plant.
A portion of the water entering the plant is used in transpiration. Define the term transpiration.
State two ways in which a plant uses water apart from transpiration.
Suggest a reason for putting the pot of damp soil inside a sealed plastic bag.
Use the information in Fig. 3.2 to state: the highest water-loss rate from 100 g of leaves; the time when the temperature was greatest; and the highest temperature recorded during the investigation.
Describe how temperature and the rate of water loss from leaves are related in Fig. 3.2.