Suggest with an Experiment, Evaporation of Water in Vapour Form, in Transpiration Process. - Biology

Suggest with an experiment, evaporation of water in vapour form, in transpiration process.

Answer in Brief

Experiment to show that during transpiration , evaporation of water takes place in vapour form :

Take a well watered potted plant .
Cover the potted plant in a polythene sheet.
Keep the potted plant in the sunlight.
Droplets of water are seen on the inner side of the polythene . This shows that the water evaporates and condenses to form droplets of water .

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Significance of Transpiration

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Chapter 5: Transpiration - Exercise 1 [Page 60]

Chapter 5 Transpiration
Exercise 1 | Q 2 | Page 60

Mention the two ways in which transpiration helps the plants.

Suppose you have a small rose plant growing in a pot. How would you demonstrate transpiration in it?

Answer the following (only in few words);

Where does transpiration take place in leaves? Give names of the various parts.

Mark the most appropriate answer in the following:

Transpiration pull will be maximum under which of the following conditions?

What are lenticels? Where are they found?

Explain the Term :

Hydathode

Explain the Term
Lenticel

Differentiate Between Transpiration and Evaporation.

Complete the following sentence with appropriate word:

Transpiration is the loss of water__________________from the leaves of the plant.

Complete the following sentence with appropriate word:

Transpiration normally takes place in the presence of ___________.