Which of the Following Describes the Duplicity Theory of Vision

question 41

Multiple Choice

Which of the following describes the duplicity theory of vision?

• A) A single type of receptor system cannot produce both high sensitivity and high resolution.
• B) Cones and rods are responsible for both photopic (day)vision as well as trichromatic (color)vision.
• C) Cones are responsible for both photopic (day)vision as well as trichromatic (color)vision.
• D) Light adaptation and dark adaptation are adjustments in vision to changing light intensities.
• E) There are short-wavelength cones and long-wavelength cones.

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