4
Question
On a hot summer day, a plant cools itself by:
On a hot summer day, a plant cools itself by:
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Solution
The correct option is C Losing water vapour from the leaves
Transpiration is the process by which excess water is lost in the form of water vapour from the aerial parts of the plants like leaves, stem, flower, fruits, etc. The change of forms - liquid to a gaseous state, helps in cooling down the surface of the plants. This phenomenon helps the plants in keeping cool during a hot summer day.
So, the correct answer is option A.
Transpiration is the process by which excess water is lost in the form of water vapour from the aerial parts of the plants like leaves, stem, flower, fruits, etc. The change of forms - liquid to a gaseous state, helps in cooling down the surface of the plants. This phenomenon helps the plants in keeping cool during a hot summer day.
So, the correct answer is option A.
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