DP Chemistry (last assessment 2024)
Question 19M.3.hl.TZ1.b
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.hl.TZ1.b |
| Level | hl | Paper | 3 | Time zone | TZ1 |
| Command term | Suggest | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
19M.3.hl.TZ1.b
Carotenoids are pigments found in leaves.
The absorption spectrum of chlorophyll a is shown below.
Suggest how the combination of chlorophyll a and carotenoids is beneficial for photosynthesis.
[1]
Markscheme
extends energy absorption spectrum «for photosynthesis» [✔]
Examiners report
Most candidates gave good answers to suggest how a combination of chlorophyll a and carotenoids is beneficial for photosynthesis.
