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Question
The shade of the tree is often cooler than exposed atmosphere, because of
The shade of the tree is often cooler than exposed atmosphere, because of
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Solution
The correct option is D Transpiration
Transpiration is a process of loss of water from a plant in vapour form. One of the benefits of transpiration is that it causes surface cooling because evaporation of water requires energy. Consumption of energy leads to a cooling effect on the leaf surface. Also because of more water vapour content in shade, a tree shade is cooler than an area exposed to sunlight. Thus the correct answer is option C.
Transpiration is a process of loss of water from a plant in vapour form. One of the benefits of transpiration is that it causes surface cooling because evaporation of water requires energy. Consumption of energy leads to a cooling effect on the leaf surface. Also because of more water vapour content in shade, a tree shade is cooler than an area exposed to sunlight. Thus the correct answer is option C.
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