Biology 9700 · AS & A Level · Structure of transport tissues

Structure of transport tissues — practice question

Which option correctly pairs the structure with the function of sieve tube elements?

  • Acellulose cell wall with no lignin / to prevent loss of water
  • Bend walls modified to form sieve plates / slow down the rate of transport of solutes
  • Celongated cells joined end to end / form a tube to transport dissolved mineral ions and water
  • Dperipheral cytoplasm with no nucleus / to provide as little resistance to flow as possible

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