Question

Observe the picture of an activity given as in the figure carried out with leaves of plants and a polythene bag. Now answer the following:

Fig 7.4 

Answer 1

Answer on the basis of diagrams:

1. Transpiration is the process that is demonstrated in the activity.
2. The rate of transpiration is affected by the amount of sunlight; the more sunlight, the higher the rate of transpiration. As a result, on a sunny day, it will produce superior outcomes.
3. A few drops of water would be inside the polythene bag.
4. Precautions for performing this activity:

1. The set-up must be airtight, and the bag must be dry.
2. The leaves or twig should be as fresh as possible.