| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.HL.TZ2.21 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 21 | Adapted from | N/A |
Question
Why do nutrient molecules enter the blood?
A. Blood carries nutrients to cells.
B. Blood converts nutrients into energy.
C. Nutrients and oxygen are mixed by blood.
D. Nutrients are stored in blood.
Markscheme
A
Examiners report
Four teachers objected to the wording of the question. 92.5% of students answered correctly so the wording did not appear to affect student performance.
Syllabus sections
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