How is water transported in the xylem of plants?

How is water transported in the xylem of plants?
  1. By root pressure
  2. By transpirational pull
  3. By water movement in the phloem
  4. Both A and B

Solution

Most researchers agree that water is mainly "pulled" through the plant in the xylem, and that the driving force for this process is transpiration from the leaves.

Asked in: NCERT

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