DP Biology (last assessment 2024)
Question 18N.3.HL.TZ0.2b
Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.3.HL.TZ0.2b |
Level | HL | Paper | 3 | Time zone | TZ0 |
Command term | Calculate | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
18N.3.HL.TZ0.2b
The micrograph shows a section through the root of a dicotyledonous plant (× 400).
(b)
Calculate the actual width along line A-B of the parenchyma cell shown.
[1]
Markscheme
A-B =
OR
17.5 μm ✔
Accept answers in the range of 17 to 19 μm