Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

Which row gives the correct description of the pressure in the xylem and the water potential in the root hair cells involved in water transport in a transpiring plant?

  • Apressure in the xylem: positive; water potential in root hair cells: negative
  • Bpressure in the xylem: positive; water potential in root hair cells: positive
  • Cpressure in the xylem: negative; water potential in root hair cells: negative
  • Dpressure in the xylem: negative; water potential in root hair cells: positive

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