WorksheetsThe Human Eye
Total questions: 10
Worksheet time: 5mins
What is the clear front surface of the eyeball called?
Macula
Iris
Pupil
Cornea
What is the thin circular structure of your eye that has color?
Macula
Iris
Pupil
Cornea
The iris determines the amount of light that enters the eye.
True
False
What is the black hole at the center of your eye called?
Macula
Iris
Pupil
Cornea
Which part of the eye is just behind the pupil?
Lens
Macula
Nerves
Iris
What is the job of the lens?
Let in light
Focus and defocus
Keep dust out
Protect from injury
What is located at the back of the eyeball?
Cornea
Iris
Retina
Pupil
What is the job of the retina?
Carrying signals to your brain
Allowing light into the eye
Focusing and defocusing
Converting light into electronic signals
What transfers the signals from your eyeball to your brain?
Olfactory nerve
Auditory nerve
Optic nerve
Spinal cord
The human eye is composed of how many working parts?
17
200
20,000
More than 2 million
