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.



$\left(iii\right)$ Why was the pot covered with a plastic sheet?

Answer 1

• The above experiment is conducted to study the phenomenon of transpiration.
• Transpiration is the loss of water in the form of water vapour from the aerial parts of the plant.
• Pot is covered with a plastic sheet so as to prevent the evaporation of water from the soil present in the pot.