How does water enter phloem sieve tubes after active loading of sucrose at the source?

Type: MCQ • Marks: 1

A. By osmosis from adjacent xylem vessels

B. By active pumping

C. By evaporation

D. By transpiration

Explanation

High solute concentration lowers water potential in phloem, drawing water in from xylem by osmosis and creating high hydrostatic pressure.

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