Lesson 4.5.2.3

4.5.2.3 The eye (biology only) Quiz: AQA Biology, Unit 5

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.5.2.3, The eye (biology only): 20 multiple choice questions for the AQA GCSE Biology (8461), Unit 5: Homeostasis and response, written with Revision Ninja.

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The 20 questions

  1. Which structure in the eye contains receptors sensitive to light intensity and colour?

    • The retina
    • The sclera
    • The iris
    • The cornea

  2. Which structure is the tough outer white layer of the eye?

    • The retina
    • The sclera
    • The iris
    • The cornea

  3. Which structure in the eye controls the amount of light entering the pupil?

    • Retina
    • Sclera
    • Iris
    • Cornea

  4. Which structure carries nerve impulses from the eye to the brain?

    • The cornea
    • The ciliary muscle
    • The optic nerve
    • The suspensory ligament

  5. Which structures change the shape of the lens?

    • The sclera muscles
    • The ciliary muscles
    • The iris muscles
    • The retinal muscles

  6. What is the process of changing the shape of the lens to focus called?

    • Adaptation
    • Magnification
    • Refraction
    • Accommodation

  7. What do the ciliary muscles do when the eye focuses on a near object?

    • Contract
    • Divide
    • Relax
    • Expand

  8. What happens to the suspensory ligaments when the eye focuses on a near object?

    • Thicken
    • Contract
    • Loosen
    • Tighten

  9. What shape does the lens become when focusing on a near object?

    • Thinner
    • Flatter
    • Concave
    • Thicker

  10. What happens to the suspensory ligaments when the eye focuses on a distant object?

    • They contract
    • They pull tight
    • They relax
    • They loosen

  11. What is the defect called myopia?

    • Colour blindness
    • Short sightedness
    • Night blindness
    • Long sightedness

  12. What is the defect called hyperopia?

    • Short sightedness
    • Astigmatism only
    • Cataract
    • Long sightedness

  13. Which treatment uses lenses to refract light onto the retina for myopia?

    • Eye drops
    • Lens replacement
    • Spectacle lenses
    • Laser eye surgery

  14. Which new technology changes the shape of the cornea?

    • Mosquito nets
    • Antibiotic treatment
    • Laser surgery
    • Ray diagrams

  15. Besides accommodation, which process is a key function of the eye?

    • Iris dilation
    • Dim light adaptation
    • Thermoregulation
    • Pupil contraction

  16. Where are light rays focused in an eye affected by myopia?

    • Inside the optic nerve
    • Directly on retina
    • In front of retina
    • Behind retina

  17. Where are light rays focused in an eye affected by hyperopia?

    • Inside the cornea
    • Directly on retina
    • Behind retina
    • In front of retina

  18. Which medical technology directly replaces a faulty lens inside the eye?

    • Contact lenses
    • Replacement lens
    • Spectacle lenses
    • Laser surgery

  19. What type of diagram is used to show myopia and hyperopia?

    • Venn diagrams
    • Flowcharts
    • Circuit diagrams
    • Ray diagrams

  20. Which lens type corrects hyperopia by refracting light rays more strongly?

    • Flat lens
    • Cylindrical lens
    • Convex lens
    • Concave lens

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