Biology 5090 · O Level · Leaf structure

Leaf structure — practice question

(a(i))[4]

Describe the importance of the distribution of chloroplasts in the process of photosynthesis in a dicotyledonous leaf.

(a(ii))[3]

Describe the importance of stomata and mesophyll cells in the process of gas exchange in a dicotyledonous leaf.

(b)[3]

Transverse sections were cut from the root and stem of a dicotyledonous plant. Describe the differences in the arrangement of two named transport tissues in these sections.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: numerous palisade cells

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