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प्रश्न
Differentiate Between Transpiration and Evaporation.
उत्तर
| Transpiration | Evaporation |
| Loss of water in the form of vapour from aerial parts of the plant. | Loss of water from the surface of the water bodies in the form of vapour. |
| It is vital and partly a physical process controlled by both internal and external factors. | It is a physical change controlled by the temperature and humidity of the atmosphere. |
| It is a slow process. | It is a fast process. |
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संबंधित प्रश्न
Name the factors which affect the rate of transpiration? State their role in each case.
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in (a) above in the correct form by changing either the first or the last word only.
Transpiration creates a pull for the upward movement of the sap.
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Atmospheric humidity promotes transpiration from a green plant.
Answer the following (only in few words);
Where does transpiration take place in leaves? Give names of the various parts.
Choose the correct answer:
In herbaceous plants, following percentage of absorbed water comes out __________
Choose the correct answer:
Transpiration generates __________
The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.
When the weight of the test tubes A and B is taken before and after the experiment, what change is observed? Justify.
Explain the Term :
Wilting
Complete the following sentence with appropriate word:
Plants become cool as a result of __________.
Write the functional activity of the following structure:
Hydathodes
