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

Photosynthesis as an energy transfer process — practice question

In eukaryotes, plant cells and photosynthetic protoctist cells contain chloroplasts.
(a)[4]

Describe how the structure of a chloroplast is related to its function.

(b)[3]

Outline the main features of cyclic photophosphorylation.

(c)[7]

Describe how the absorption spectra of the three photosynthetic pigments in Fig. 2.1 differ, and explain how these differences help red algae survive in deep water.

(unknown)[7]

Describe how the absorption spectra of the three photosynthetic pigments shown in Fig. 2.1 differ and explain how these differences allow red algae to survive in deep water.

Worked solution & mark scheme

This 21-mark question has a full step-by-step worked solution and mark scheme. One marking point: thylakoids/grana act as the site for the light dependent reactions

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