DP Biology (first assessment 2025)
Question 22M.1A.SL.TZ2.15
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.1A.SL.TZ2.15 |
| Level | SL | Paper | 1A | Time zone | TZ2 |
| Command term | Question number | 15 | Adapted from | N/A |
15.
[Maximum mark: 1]
22M.1A.SL.TZ2.15
The table shows features of greenhouse gases in the atmosphere.
According to the data in the table, which greenhouse gas contributes the most to climate change?
A. Carbon dioxide because it is the most abundant greenhouse gas
B. Methane because it has the shortest lifespan
C. Nitrous oxides because they absorb the greatest amount of shortwave radiation
D. CFCs because they destroy the ozone layer
[1]
Markscheme
A
Examiners report
Very easy question with 93 % of candidates answering correctly.
