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प्रश्न
Briefly explain how the rate of transpiration is affected by
Intensity of light
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उत्तर
During the day, the stomata are open to facilitate the inward diffusion of carbon dioxide for photosynthesis. At night they are closed. Hence more transpiration occurs during the day. During cloudy days, the stomata are partially closed and the transpiration is reduced.
संबंधित प्रश्न
Name the factors which affect the rate of transpiration? State their role in each case.
Mention the two ways in which transpiration helps the plants.
Describe an experiment to show that the plant loses water through its leaves.
From which structure cuticular transpiration occur in plants?
Distinguish between the following:
Transpiration and evaporation
The diagram alongside represents a structure found in a leaf. Study the same and answer the questions that follow:
(i) Name the parts labeled A and B.
(ii) What is the biological term for the above structure?
(iii) What is the function of the part labeled A?
(iv) Mention two structural features of A, which help in the function mentioned in (iii) above?
(v) Where is this structure likely to be found in a leaf?
(vi) The structure (fig.5.22) helps in the process of transpiration. Explain the term transpiration.
(vii) How many other cells are found surrounding this structure as seen in the diagram?
Choose the correct answer:
Transpiration is more ____________
Differentiate between transpiration and guttation.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Evaporation is a physiological process
