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

Photosynthesis as an energy transfer process — practice question

Fig. 7.1 shows a transmission electron micrograph of a chloroplast. A chloroplast contains many compounds and structures that take part in photosynthesis.
(a)[3]

Using the labels A, B or C, complete Table 7.1 to show where four of these compounds or structures are found. You may use each of the letters A, B and C once, more than once, or not at all.

(b)[3]

Describe and explain the results in Fig. 7.2.

(c)[2]

Chlorophyll b, carotene and xanthophyll are called accessory pigments. Describe the role of the accessory pigments in photosynthesis.

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