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Significance of Transpiration

How is it pos...

Question

How is it possible for plants to send water and minerals up the plant, against gravity, without any pumping organ?

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Solution

It occurs because of transpiration which is the loss of water through the leaves of plant. As water is lost it is also pulled up and this pull is called as transpirational pull.

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How water is transported to various parts of the plant. Is the water movement active, or is it still passive?

(b)

Since the water has to be moved up a stem against gravity, what provides the energy for this?

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