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Question

How does temperature, light intensity and wind affect transpiration?


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Solution

Temperature, light intensity, and wind affect transpiration in the following ways:

  1. Temperature -

a) On a hot day, water gets quickly evaporated from the leaves of the plant.

b) It increases transpiration, which means temperature is directly proportional to transpiration.

2. Light intensity -

a) In bright light, the plant may open its stomata to transfer carbon dioxide for photosynthesis due to which more water gets evaporated from the leaves, which means temperature is directly proportional to transpiration.

3. Wind -

a) On a windy day, water evaporates more quickly than on a still day.

b) Transpiration increases as wind speed increases, which also means that temperature is directly proportional to transpiration.

In conclusion, it can be said as temperature, light intensity, and wind are directly proportional to transpiration means when they will increase there will be an increase in the rate of transpiration.


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