A student carried out an investigation into photosynthesis in a variegated leaf. In a variegated leaf, the green region contains a green pigment, whereas the white region does not contain the green pigment. Fig. 2.1 shows a photograph of several variegated leaves.
(a)[1]
State where the green pigment is located in a plant cell.
(b)[3]
Explain the result obtained for the white part of the leaf in Table 2.1.
(c)[2]
Complete Table 2.2 so that it shows the predicted results.
(d(i))[3]
The boxes on the left list some substances produced in plants. The boxes on the right list how these substances are used in plants. Draw lines to connect each substance with the correct use in plants. Draw three lines.
(d(ii))[1]
List the chemical elements found in carbohydrates.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “chloroplasts” …