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

Structure of transport tissues — practice question

Fig. 1.1 is a photomicrograph showing a transverse section of the stem of creeping buttercup, Ranunculus repens.
(a)[1]

Draw a single label line on Fig. 1.1 to show one exact place where phloem sieve tubes are found.

(b)[2]

State the function of phloem sieve tubes.

(c(i))[1]

State the name of the tissue that makes up the outer layer of the stem section of R. repens in Fig. 1.1.

(c(ii))[1]

State the piece of equipment that can be used in the light microscope to determine the correct proportions of the tissues.

(d)[5]

Draw a diagram in the space provided showing the structure of a typical plant cell. Label your diagram with the names of any structures found only in plant cells. Do not label structures that are also present in animal cells.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: Label line pointing to phloem in one vascular bundle

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