| Date | November 2020 | Marks available | 1 | Reference code | 20N.1.SL.tz0.10 |
| Level | Standard Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Which | Question number | 10 | Adapted from | N/A |
Question
Which is a condensation reaction?
A. Breaking of the bonds in glycogen and creation of a water molecule
B. Addition of two glucose molecules and creation of a water molecule
C. Breaking of the bonds in glycogen and absorption of a water molecule
D. Addition of two glucose molecules and absorption of a water molecule
Markscheme
B
Examiners report
The second most challenging question (39.13 %), with a very good discrimination index. Answers were distributed across all three distractors, indicating that this is an area for improvement.
