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Define the term transpiration. Design an experiment to demonstrate this process.
 

 

 

 

 
 
 
 
 

Answers (1)

The loss of water in the form of vapour from the aerial parts of the plants is known as transpiration.

(i) Take a healthy potted plant.

(ii) Cover its leaves by a plastic sheet.

(iii) Place the plant in bright sunshine for an hour or so and observe it.

We will observe the droplets of water on the inner surface of the plastic sheet. This shows that water is lost by leaves through stomata as a result of transpiration.

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Sumit Saini

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