During summer, water kept in an earthen pot becomes cool because of the phenomenon of (a) diffusion. (b) transpiration. (c) osmosis. (d) evaporation.
The correct answer is (d) evaporation. During summer, water in an earthen pot becomes cool due to evaporation. The porous walls allow water to seep out and evaporate, absorbing heat from the stored water, thus lowering its temperature and keeping it cool.
Class 9th Science NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.
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(d) Evaporation causes cooling and the water becomes cool.
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