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Question
The energy source that drives the upward flow of water is
The energy source that drives the upward flow of water is
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Solution
The correct option is D Solar heat
Solar heat causes the evaporation of water from the surface of the leaves in form of water vapour through small openings called stomata. This loss is known as transpiration. Due to the loss of water, water stress condition is created that forces the upward movement of water from the soil towards the shoot system. This water is then again distributed to various plant parts.
Hence, the correct answer is 'Solar heat'.
Solar heat causes the evaporation of water from the surface of the leaves in form of water vapour through small openings called stomata. This loss is known as transpiration. Due to the loss of water, water stress condition is created that forces the upward movement of water from the soil towards the shoot system. This water is then again distributed to various plant parts.
Hence, the correct answer is 'Solar heat'.
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