| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.HL.TZ1.10 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 10 | Adapted from | N/A |
Question
In cell respiration, what is the name of the process where glucose is broken down into pyruvate?
A. Electron transport chain
B. Krebs cycle
C. Link reaction
D. Glycolysis
Markscheme
D
Examiners report
Questions 7, 8, 10, 11 and 12 also had relatively low discrimination indices because a high proportion of candidates answered them correctly, indicating either good knowledge or that these questions proved to be rather too easy.
Syllabus sections
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