Parts Of The Eye Quiz Questions And Answers

12 Questions | Total Attempts: 13551

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Parts Of The Eye Quiz Questions And Answers - Quiz

How well do you know about the eye and its parts? Take this 'part of the eye quiz' and see how well you can score on this test. The eye is one of the most sensitive and important organs of the human body. It comprises several small parts like the cornea, pupil, iris, and retina which help in the proper functioning of the eye. Do you have a good understanding of all the parts of the eye? Let's find out with the help of this quiz. So, are you ready? Let's start then.


Questions and Answers
  • 1. 
    What is the best definition of the retina?
    • A. 

      An outermost part of the eye that sees things.

    • B. 

      The innermost part of the eye that absorbs light and changes it into electrical signals.

    • C. 

      The light switch to the brain.

    • D. 

      The clear, tough tissue covering the front of the eye.

  • 2. 
    Which part of the eye does 20% of the focusing?
    • A. 

      Lens

    • B. 

      Pupil

    • C. 

      Retina

    • D. 

      Iris

  • 3. 
    What is the best definition of the iris?
    • A. 

      The white part of the eyeball.

    • B. 

      The liquid inside the eyeball.

    • C. 

      The name of a song by goo goo dolls.

    • D. 

      The colored part of the eye under the cornea.

  • 4. 
    What is the main purpose of the pupil?
    • A. 

      A black hole to dump garbage in.

    • B. 

      Block bugs from getting to your brain.

    • C. 

      Send electrical signals to your brain.

    • D. 

      Shrinks or grows to allow light into your eye.

  • 5. 
    The iris is behind the cornea. State true or false. 
    • A. 

      True

    • B. 

      False

  • 6. 
    The lens focuses 80% of all images. State true or false. 
    • A. 

      True

    • B. 

      False

  • 7. 
    The optic nerve is the part of the eye that gets on the nerves. State true or false. 
    • A. 

      True

    • B. 

      False

  • 8. 
    The retina absorbs light and changes it into electrical signals. Is this statement correct? 
    • A. 

      Yes

    • B. 

      No

  • 9. 
    If you scratch your eye you probably scratch the cornea. True or false?
    • A. 

      True

    • B. 

      False

  • 10. 
    The optic nerve sends electrical signals to the ________. 
    • A. 

      Brain

    • B. 

      Muscles

    • C. 

      Lungs

    • D. 

      None of the above

  • 11. 
    The pupil  _______ in bright light. 
    • A. 

      Expands

    • B. 

      Shrinks

    • C. 

      Blinks

  • 12. 
    The cornea does ________ percent of the focusing of images. 
    • A. 

      60%

    • B. 

      80%

    • C. 

      55%

    • D. 

      75%