Biology 5090 · O Level · Transpiration and translocation

Transpiration and translocation — practice question

What direction do water molecules travel in the phloem and in the xylem of a plant stem?

  • Aphloem: down only; xylem: up only
  • Bphloem: up only; xylem: down only
  • Cphloem: up only; xylem: both up and down
  • Dphloem: both up and down; xylem: up only

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