A. lens
B. cornea
C. pupil
D. fovea
Related Mcqs:
- In bright light, the iris_______and the pupil________to control the amount of light entering the eye.
A. Expands; constricts
B. Constricts; expands
C. Focuses; constricts
D. Constricts; focuses - When light changes from bright to dim the iris of the eye ________________?
A. dilates
B. constricts
C. thickens
D. remains the same - The amount of light entering the eye is regulated by the _______________?
A. lens
B. iris
C. retina
D. Coptic nerve - Some of the fibers from each eye cross over to the opposite brain hemisphere at the ______________?
A. optic chiasma
B. optic nerve
C. blind spot
D. fovea - Kim is trying to thread a needle, but the light is fairly dim. Due to the lack of light, the part of her eye that will help most in threading the needle is ________________?
A. cones
B. rods
C. lens
D. cornea - The light-sensitive inner surface of the eye, containing the rods and cones, is the ______________?
A. optic nerve
B. cornea
C. retina
D. iris - The receptor of the eye that functions best in dim light is the ______________?
A. fovea
B. ganglion
C. cone
D. rod - If you slowly bring your finger toward your face until it eventually touches your nose, eye-muscle cues called ________________ convey depth information to your brain?
A. retinal disparity
B. interposition
C. continuity
D. convergence - A psychologist watches the rapid eye movements of sleeping subjects and wakes them to find they report that they were dreaming. She concludes that dreams are linked to rapid eye movement. this conclusion is based on:
A. pure speculation
B. direct observation
C. deduction from direct observation
D. prior prediction - If the human eye was not responsive to differences in the wavelength of light, we would not be able to perceive differences in:
A. Intensity
B. Color
C. Purity
D. Brightness
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