CAIE IGCSE Biology 14.2.9 Position & Function of the Fovea

Practise locating the fovea on eye diagrams and explaining why it produces the sharpest, most detailed vision.

Exam points

identify the fovea as a small specialised region of the retina in eye diagrams
state that the fovea has the highest concentration of cone cells
link its dense light-sensitive cells to the sharpest and most detailed image

[Maximum number: 1]

The responses of the human body to danger are coordinated by the nervous and endocrine systems.

Fig. 4.1 shows the sequence of events that occurs in response to a dangerous situation that is detected by the eyes.

Fig. 4.1

State the part of the eye that has the highest concentration of light-sensitive cells and gives the most detailed image.

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14.2.9—Position of the fovea and state its question 1