A student examined a plant in which some stems carried flowers and other stems did not have flowers. The student took one leaf from a stem with flowers and one leaf from a stem with no flowers. Fig. 3.1 shows the two leaves.
Leaf from stem with flowers: magnification \times1.
Leaf from stem with no flowers: magnification \times2.
(a(i))[2]
Complete Table 3.1 by comparing the leaves for size and shape.
(a(ii))[2]
Suggest what the student has to do to be sure that the two leaves chosen are representative of the leaves on the two types of stem.
(b)[3]
In the space below, draw a large version of the leaf from the stem with no flowers as shown in Fig. 3.1.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Size comparison correct: leaf from stem with flowers is large/larger; leaf from stem with no flowers is small/smaller” …