Question 1

Which property of a light wave determines the hue (color) that we perceive?

Accepted Answer

Wavelength

Question 2

If a person is unable to focus on near objects and requires reading glasses, which structure in the eye is most likely affected?

Accepted Answer

Lens

Question 3

Which of the following best describes the function of the retina?

Accepted Answer

It lines the back of the eye and contains photoreceptor cells for vision.

Question 4

Which type of photoreceptor cell is primarily responsible for color vision and is concentrated in the fovea?

Accepted Answer

Cones

Question 5

A person with damage to their rods would most likely have difficulty with which of the following?

Accepted Answer

Seeing in dim or low-light conditions

Question 6

According to the trichromatic theory, how many types of cones are there, and what do they respond to?

Accepted Answer

Three types, each sensitive to different wavelengths

Question 7

Which theory explains the phenomenon of afterimages, where the opposite color is seen after staring at a color for a long time?

Accepted Answer

Opponent Process Theory

Question 8

If a person has deuteranopia, which type of cone is not functioning properly?

Accepted Answer

Green

Question 9

Which of the following pairs correctly matches the wave property with the perceptual property?

Accepted Answer

Amplitude: brightness

Question 10

What is the correct order of structures that light passes through in the eye before a neural signal is generated?

Accepted Answer

Cornea → Lens → Retina

Question 11

Which property of light waves is most closely associated with the perception of saturation?

Accepted Answer

Complexity

Question 12

Which cells are located in the periphery of the retina and are responsible for night vision?

Accepted Answer

Rods

Question 13

A person is looking at a bright sunflower. Which type of photoreceptor cell is primarily being used?

Accepted Answer

Cones

Question 14

Which of the following is NOT a pair in the opponent process theory?

Accepted Answer

Green/Orange

Question 15

Which theory best explains why we cannot perceive a reddish-green or a bluish-yellow color?

Accepted Answer

Opponent Process Theory

Question 16

Which structure in the eye changes shape to focus images at different distances?

Accepted Answer

Lens

Question 17

Which part of the eye contains the highest concentration of cones and is responsible for sharp central vision?

Accepted Answer

Fovea

Question 18

Which of the following best describes the phenomenon of color afterimages?

Accepted Answer

Seeing a color after staring at its opposite for a long time

Question 19

Which theory of color vision cannot explain the phenomenon of afterimages?

Accepted Answer

Trichromatic Theory

Question 20

A person with colorblindness is unable to distinguish between red and green. Which theory best explains this condition?

Accepted Answer

Trichromatic Theory

Sensation and Perception: Visual Stimuli and Color Vision

Study Guide - Practice Questions