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Question 18M.2.SL.TZ1.4c

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Date May 2018 Marks available [Maximum mark: 3] Reference code 18M.2.SL.TZ1.4c
Level SL Paper 2 Time zone TZ1
Command term Outline Question number c Adapted from N/A
c.
[Maximum mark: 3]
18M.2.SL.TZ1.4c
(c)

Outline the role of plant pigments in the process of photosynthesis.

[3]

Markscheme

a. pigments/chlorophyll absorb light 

b. red and blue/violet light absorbed 

c. absorption of light energy is necessary for photolysis/use of water in photosynthesis 

d. other pigments allow for wider action spectrum than the absorption spectrum of chlorophyll

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