DP Biology (first assessment 2025)
Question 23M.2.HL.TZ2.b
Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.2.HL.TZ2.b |
Level | HL | Paper | 2 | Time zone | TZ2 |
Command term | Suggest | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
23M.2.HL.TZ2.b
Suggest one difference between tissue taken from a lung cancer tumour and normal lung tissue that might be seen in micrographs.
[1]
Markscheme
- fewer/smaller/lack of alveoli/air spaces;
- many cells/nuclei per area / much denser tissue;
- more cells undergoing mitosis (in the tumour);
