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

1. Name the process being studied.

2. Explain the process named above in (a).

3. Why was the pot covered with a plastic sheet?

4. Suggest a suitable control for this experiment.

5. Mention two ways in which this process is beneficial to plants.

6. List three adaptations in plants to reduce the above mentioned process.

Answers:

1. Transpiration

2. The process of water loss from the leaves and other parts of the plants in the form of water vapor is called transpiration.

3. To prevent evaporation of water from the soil, plastic sheet is used in the process by covering the pot.

4. Empty polythene bag

5. The process of transpiration in the plants has various benefits. This process cools down the plant and usually occurs in dry conditions in the presence of sunlight.

6. Sunken stomata

    Fewer stomata 

    Narrow leaves