DP Biology (last assessment 2024)
Question 19M.3.SL.TZ1.17b
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.SL.TZ1.17b |
| Level | SL | Paper | 3 | Time zone | TZ1 |
| Command term | State | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
19M.3.SL.TZ1.17b
The diagram is of a liver sinusoid.
[Source: © International Baccalaureate Organization 2019]
(b)
State one feature in the diagram that identifies the structure as a sinusoid.
[1]
Markscheme
a. fenestrations/gaps/holes between cells ✔
b. walls are one cell thick ✔
Examiners report
Most often the fenestrations or equivalent word were described; “thin walls” was insufficient for walls one cell thick. “Cylinder” was often seen.
