| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ2.9 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 9 | Adapted from | N/A |
Question
Blood is a water-based transport medium. Which property of water makes it a good transport medium?
A. High specific heat
B. Transparency
C. Versatility as a solvent
D. It has its greatest density at 4°C
Markscheme
C
Examiners report
Although there were some complaints about the wording of this question, it also proved to be a very easy question.
