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

Movement into and out of cells — practice question

Sucrose is transported from a phloem sieve tube element into an actively dividing shoot tip. Which pair of changes to water potential and to the volume of liquid in the phloem sieve tube element is correct?

  • Awater potential becomes less negative; volume of liquid decreases
  • Bwater potential becomes less negative; volume of liquid increases
  • Cwater potential becomes more negative; volume of liquid decreases
  • Dwater potential becomes more negative; volume of liquid increases

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI