DP Biology (last assessment 2024)
Question 17N.3.HL.TZ0.01a
| Date | November 2017 | Marks available | [Maximum mark: 2] | Reference code | 17N.3.HL.TZ0.01a |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Outline | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
17N.3.HL.TZ0.01a
(a)
Outline what happens when spinach extract is spotted on a TLC plate and placed into a container of solvent.
[2]
Markscheme
a. solvent will move up «the TLC plate/stationary phase»
b. pigments will move up «the TLC plate/stationary phase carried by solvent»
c. pigments will move at different rates/separate
[Max 2 Marks]
