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

Movement into and out of cells — practice question

Sucrose is transported from a leaf mesophyll cell into a phloem sieve tube element. Which changes in water potential and in the volume of liquid inside the phloem sieve tube element are 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