The Human Eye And Colourful World Quiz

12 Questions | Total Attempts: 139

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Eye Quizzes & Trivia

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Questions and Answers
  • 1. 
    The term “accommodation” as applied to the eye, refers to its ability to:
    • A. 

      Control the light intensity falling on the retina

    • B. 

      Erect the inverted image formed on the retina

    • C. 

      Vary the focal length of the lens

    • D. 

      Vary the distance between the lens and retina

  • 2. 
    A person cannot see the distant objects clearly (though he can see the nearby objects clearly). He is suffering from the defect of vision called:
    • A. 

      Cataract

    • B. 

      Hyperopia or Farsightedness

    • C. 

      Myopia or Nearsightedness

    • D. 

      Accomodation 

  • 3. 
    Figure a, b, c respectively; indicate the point in case of:
    • A. 

      The farsighted eye, the nearsighted eye and normal eye

    • B. 

      The normal eye, the nearsighted eye and farsighted eye

    • C. 

      The normal eye, the farsighted eye and nearsighted eye

    • D. 

      The nearsighted eye, the normal eye and farsighted eye

  • 4. 
    The tiny spot in the center of the retina where visual sharpness if greatest
    • A. 

      Pupil

    • B. 

      Rods and cones

    • C. 

      Fovea

    • D. 

      Blind spot

  • 5. 
    This focuses the light falling on the retina: 
    • A. 

      Fovea

    • B. 

      Pupil

    • C. 

      Iris

    • D. 

      Lens

  • 6. 
    The muscles that contracts or dilates to allow more or less light into the eye: 
    • A. 

      Iris

    • B. 

      Pupil

    • C. 

      Lens

    • D. 

      Retina

  • 7. 
    The protective clear layer on the eyeball
    • A. 

      Cornea

    • B. 

      Pupil

    • C. 

      Iris

    • D. 

      Lens

  • 8. 
    The hole in the center of they eye through which light can pass
    • A. 

      Iris

    • B. 

      Cornea

    • C. 

      Fovea

    • D. 

      Pupil

  • 9. 
    A term used to describe the sharpness of someone's vision 
    • A. 

      Acuity

    • B. 

      Fovicity

    • C. 

      Blindspot

    • D. 

      Fungibility 

  • 10. 
    This passes neural messages onto the brain 
    • A. 

      Blindspot

    • B. 

      Optic nerve

    • C. 

      Pupil

    • D. 

      Retina

  • 11. 
    The conversion of one stimulus to another type of energy is called:
    • A. 

      Acuity

    • B. 

      Fovicity

    • C. 

      Transduction

    • D. 

      Myopia

  • 12. 
    The part of the retina which contains no photoreceptor cells
    • A. 

      Fovea

    • B. 

      Blindspot

    • C. 

      Lens

    • D. 

      Optic nerve