DP Biology (first assessment 2025)
Question 21M.2.HL.TZ1.e
| Date | May 2021 | Marks available | [Maximum mark: 1] | Reference code | 21M.2.HL.TZ1.e |
| Level | HL | Paper | 2 | Time zone | TZ1 |
| Command term | Deduce | Question number | e | Adapted from | N/A |
e.
[Maximum mark: 1]
21M.2.HL.TZ1.e
Deduce the change in mitotic index after 72 hours compared to the control.
[1]
Markscheme
0.3 / 100 % increase / doubling ✔
Do not penalize errors in significant figures. For example, 0.34 would be acceptable.
Examiners report
Those who had experience calculating mitotic index did well with this question.
