Biology 9700 · AS & A Level · Photosynthesis as an energy transfer process

Photosynthesis as an energy transfer process — practice question

Fig. 1.1 presents a transverse section of a dicotyledonous leaf.

(a)[3]

Name the structures A, B and C.

(b(i))[2]

Describe the way carbon dioxide enters the leaf.

(b(ii))[1]

Name the compound that combines with carbon dioxide in the light-independent stage in a C3 plant.

(b(iii))[2]

Outline the role of reduced NADP in the light-independent stage.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A = palisade mesophyll cell/tissue/layer” …