CAIE IGCSE Biology 14.2.3 Function of Each Part of the Eye Questions

Practise matching the cornea, iris, lens, retina and optic nerve to their roles in vision.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • link the cornea and lens to refraction of incoming light
  • link the iris to control of light entering through the pupil
  • link retinal receptors to light detection and the optic nerve to impulses sent to the brain

CAIE IGCSE Biology 14.2.3 Function of Each Part of the Eye Questions question 1

[Maximum number: 1]

The diagram shows the structure of the human eye.
Which labelled part refracts light entering the eye?

Figure for Question CAIE IGCSE Biology 14.2.3 Function of Each Part of the Eye Questions question 1 — CAIE IGCSE Biology
All question bank results loaded