Answer the following question.
Explain the role of transpiration.
Role of transpiration:
i. It removes excess of water.
ii. It helps in the passive absorption of water and minerals from the soil.
iii. It helps in the ascent of sap.
iv. As stomata are open, gaseous exchange required for photosynthesis and respiration is facilitated.
v. It maintains the turgor of the cells.
vi. Transpiration helps in reducing the temperature of leaf and in imparting a cooling effect.