Form 3 Science Human Eye

In dim light, the pupil of the eye will be

• larger

• smaller

Which part of the eye is transparent and refracts light?

• iris

• cornea

• pupil

• retina

The part of your eye that gives it its color. It is a muscle that controls the size of your pupil. What is this part called?

• cornea

• lens

• pupi

• iris

About how large is the human eye?

• basketball
• ping pong ball
• baseball
• soccer ball

Which part of the eye send impulses from your eye to the part of your brain that controls vision?

• cornea

• lens

• optic nerve

• retina

Which of the following is true about the lens of the human eye?

• Clear tissue that covers the eye.

• Opening of the eye.

• Focuses light on the retina.

• Regulates amount of light.

Which parts of your eye are transparent?

• retina
• optic nerve
• cornea and lens
• iris

An upside-down image of whatever you are looking at is projected on this part of the eye. This is the ....

• lens

• cornea

• pupi

• retina

The retina contains these cells which are sensitive to light and convert light to nerve impulses. These cells are called...

• optic nerves

• ciliary muscles

• photoreceptors

• lens

What is part labelled C?

• Vitreous humor

• Lens

• Optic nerve

• Cornea