DP Biology (last assessment 2024)
Question 17N.3.SL.TZ0.02a
| Date | November 2017 | Marks available | [Maximum mark: 1] | Reference code | 17N.3.SL.TZ0.02a |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Identify | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
17N.3.SL.TZ0.02a
Thin-layer chromatography was carried out on red and brown algae to discover what photosynthetic pigments they contained. The results were compared with the known pigments found in spinach leaves.
(a)
Identify pigment labelled P.
[1]
Markscheme
xanthophyll
