Fig. 3.1 is a photomicrograph showing cells from a plant epidermis after treatment so that some of the cells are plasmolysed.
Fig. 3.1 labels: cytoplasm in non-plasmolysed cell X; cytoplasm in plasmolysed cell Y; cell wall of plasmolysed cell Y; magnification \times150.
(a)[3]
State any three items of apparatus needed to observe the actual cells shown in the photomicrograph.
(b)[3]
Create a large drawing of the two cells labelled X and Y as they appear in Fig. 3.1.
(c)[2]
Describe how cells from a plant epidermis should be treated so that they become plasmolysed.
Worked solution & mark scheme
This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A microscope” …