DP Biology (last assessment 2024)
Question 19N.3.HL.TZ0.5a
| Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.3.HL.TZ0.5a |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Draw | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
19N.3.HL.TZ0.5a
The diagram shows part of a human retina.
(a)
On the diagram, draw an arrow showing the direction of the light.
[1]
Markscheme
[Source: reprinted by permission from Springer Nature: Nature Reviews Neuroscience
Parallel processing in the mammalian retina, Heinz Wässle, 2004, Nat Rev Neurosci 5,
747–757 (2004) doi:10.1038/nrn1497]
Accept any arrow pointing upwards.
