DP Biology (last assessment 2024)
Question 18M.2.SL.TZ1.4c
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 lightÂ
b. red and blue/violet light absorbedÂ
c. absorption of light energy is necessary for photolysis/use of water in photosynthesisÂ
d. other pigments allow for wider action spectrum than the absorption spectrum of chlorophyll
