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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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Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Core topics)
Option A: Neurobiology and behaviour

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