(a)[1]
Name any one chloroplast pigment.
(b)[2]
Explain the connection between the absorption spectrum of the main chloroplast pigments in a species of plant and the action spectrum for photosynthesis in that species.
(c)[3]
Explain why temperature may be a limiting factor of photosynthesis.
(d)[3]
Outline how the light-independent stage of photosynthesis results in carbohydrates such as starch being produced in plant leaves.