Biology 9700 · AS & A Level · Structure of transport tissues
Structure of transport tissues — practice question
Fig. 2.1 presents xylem tissue in longitudinal section of the stem of a dicotyledonous plant.
(a)[5]
Describe and explain how xylem vessel structure is adapted to its function.
(b)[2]
Images such as Fig. 2.1 can be produced at the same magnification using both the light microscope and the electron microscope. State the advantages of using the light microscope rather than the electron microscope for studying tissues.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Movement of water and mineral ions” …