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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
Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface?
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:
Transplanting of seedlings to a flowerbed in the evening is better than doing so in the morning.
Explain the Term :
Wilting
Give Technical Term
Main function of lenticel.
Complete the following sentence with appropriate word:
Plants become cool as a result of __________.
Complete the following sentence with appropriate word:
Transpiration is the loss of water__________________from the leaves of the plant.
State the Location:
Lenticels
State the Location:
Hydathodes
Mark the most appropriate answer in the following:
In hot summer days, plant cooling is due to :
