| Date | November 2010 | Marks available | 3 | Reference code | 10N.3.SL.TZ0.14 |
| Level | Standard level | Paper | Paper 3 | Time zone | TZ0 |
| Command term | Label | Question number | 14 | Adapted from | N/A |
Question
Label the parts of the reflex arc shown below.
Markscheme
I. dorsal root ganglion;
II. grey matter;
III. motor neuron;
Examiners report
The labelling of the spinal reflex was fairly well done. The structure that caused problems was the dorsal root ganglion with some indicating this was a sensory cell body.
Syllabus sections
Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Additional higher level topics) » A.4 Innate and learned behaviour
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