From where did guard cells get water when they exchange gases?
Asked by devangi meena | 20th Apr, 2013, 06:35: PM
Plants require very less amount of water for photosynthesis. They get water from the soil which is absorbed by the roots through xylem and is transported to the leaves.
Answered by Meghna Thapar | 23rd Apr, 2013, 12:20: PM
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