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Question 5

From Biology SL Paper 3 (November 2024, TZ2)

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  1. The diagram shows the location of the retina within the eye and the location of the photoreceptors in the retina.
Diagram showing a cross-section of the eye with labels for sclera, choroid, retina, and optic nerve, and an enlarged view of the retina showing different cell layers including photoreceptors (rods and cones) and ganglion cells.
Diagram showing a cross-section of the eye with labels for sclera, choroid, retina, and optic nerve, and an enlarged view of the retina showing different cell layers including photoreceptors (rods and cones) and ganglion cells.

(a) On the diagram, label
(i) a rod; [1]

(ii) a ganglion cell. [1]

(b) Distinguish between rods and cones. [2]

Textbook topics in this question

Review the exact course sections assessed by each question part.

Mixed-topic question
5(a)(i)Retina structure and photoreceptors · legacy topic
5(a)(ii)Retina structure and photoreceptors · legacy topic
5(b)Rods, cones and visual processing · legacy topic