DP Biology (last assessment 2024)
Question 18N.3.SL.TZ0.b
| Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.3.SL.TZ0.b |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Calculate | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
18N.3.SL.TZ0.b
The micrograph shows mitosis in a cell of an onion (Allium cepa) root tip.
The cells visible in the onion root tip were classified and counted.
Calculate the mitotic index.
[1]
Markscheme
0.3 or 30 % ✔
