Biology 9700 · AS & A Level · Photosynthesis as an energy transfer process
Photosynthesis as an energy transfer process — practice question
Fig. 2.1 illustrates how temperature affects the rate of photosynthesis in a plant at low light intensity and at high light intensity.
(a)[4]
Using Fig. 2.1, describe and explain how temperature affects the rate of photosynthesis.
(b(i))[2]
Differentiate an absorption spectrum from an action spectrum.
absorption spectrum ..........
action spectrum ..........
(b(ii))[2]
Explain why the two curves in Fig. 2.2 have a similar shape.
(c)[2]
Describe the function of an accessory pigment, such as carotene, in photosynthesis.
Worked solution & mark scheme
This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “a rise in temperature increases the rate of photosynthesis at high light intensities” …