AP Psychology: Visual Anatomy Quiz

What is the function of the sclera in the human eye?

• To convert light into neural impulses

• To control the amount of light entering the eye

• To protect the eye and form its structure

• To focus light onto the retina

Which part of the eye is responsible for determining eye color?

• Lens

• Cornea

• Iris

• Retina

What is the role of the lens in the eye?

• To change shape and focus light onto the retina

• To convert light into neural signals

• To provide nourishment to the cornea

• To protect the eye from dust

What are the two types of photoreceptors found in the retina?

• Iris and pupil

• Lens and vitreous humor

• Sclera and cornea

• Rods and cones

Which photoreceptor is responsible for color vision?

• Cornea

• Sclera

• Cones

• Rods

What does the trichromatic theory of color vision propose?

• Color vision is based on three primary colors: red, green, and blue

• Color vision is based on the opponent process theory

• Color vision is determined by the sclera

• Color vision is based on the amount of light entering the eye

What is the most common type of color blindness?

• Achromatism

• Dichromatism

• Trichromatism

• Monochromatism

Which theory explains the afterimage effect?

• Trichromatic theory

• Opponent processing theory

• Accommodation theory

• Synesthesia theory

What happens when light waves have a short wavelength?

• They are not perceived at all

• They are perceived as black and white

• They are perceived as warmer colors

• They are perceived as cooler colors

What is synesthesia?

• A condition where one sense triggers another sense

• A type of color blindness

• A part of the eye that focuses light

• A theory of color vision