Date | November 2017 | Marks available | 1 | Reference code | 17N.3.SL.TZ0.04 |
Level | Standard level | Paper | Paper 3 | Time zone | TZ0 / no time zone |
Command term | Identify | Question number | 04 | Adapted from | N/A |
Question
The diagram shows part of a retina.
[Source: C. J. Clegg, Introduction to Advanced Biology, 2000, p. 285. Reproduced by permission of Hodder Education.]
Identify the cell labelled X.
[1]
d.i.
Draw an arrow to show the direction of light through the retina.
[1]
d.ii.
Markscheme
bipolar «cell»
d.i.
arrow pointing from right to left
d.ii.
Examiners report
[N/A]
d.i.
[N/A]
d.ii.
Syllabus sections
Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Core topics) » A.3 Perception of stimuli
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