Question

An apparatus as shown below was set up to investigate a physiological process in plants. The set up was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follows.



Explain the process being studied.

Answer 1

• The phenomenon being studied by the apparatus is transpiration.
• It is the process of loss of water in the form of water vapour from the exposed or aerial parts of the plant.
• Depending upon the plant surface involved, transpiration is of three types - cuticular, lenticular, and stomatal.