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      Question

      Which physiological process in crop plants is largely

      responsible for the upward movement of water from roots to leaves and is driven by transpiration?
      A Osmosis Correct Answer Incorrect Answer
      B Guttation Correct Answer Incorrect Answer
      C Root pressure Correct Answer Incorrect Answer
      D Transpiration pull Correct Answer Incorrect Answer
      E Capillary action Correct Answer Incorrect Answer

      Solution

      Transpiration pull creates a negative pressure in the xylem that draws water upward from roots to the leaves. This cohesive force maintains the water column, enabling efficient water transport.

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