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प्रश्न
Differentiate Between Transpiration and Evaporation.
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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
Transpiration helps in creating ______ force and in eliminating excess ______.
Briefly explain how the rate of transpiration is affected by
Intensity of light
Given below is an apparatus which has setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
Draw a neat, labelled diagram of a stomatal apparatus.
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.
Give Reasons for the following:
Why do some herbaceous plants show wilting of leaves during mid-day which again recover in the evening?
Complete the following sentence with appropriate word:
The leaves of the __________ plants have cuticular wax.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration is a physiological process
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
More transpiration occurs from the upper surface of a leaf.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Transpiration takes place only in green plants
