The receptor of the eye that functions best in dim light is the ______________?

Related Mcqs:

1. 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

2. When light changes from bright to dim the iris of the eye ________________?

   A. dilates
   B. constricts
   C. thickens
   D. remains the same

3. 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

4. Which of the following explains why a rose appears equally red in bright and dim light?

   A. the Young-Helmholtz theory
   B. the opponent-process theory
   C. feature detection
   D. color constancy

5. Jamil’s horse looks just as black in the brilliant sunlight as it does in the dim light of the stable. This illustrates what is known as:

   A. Perceptual adaptation
   B. The phi phenomenon
   C. Perceptual set
   D. Lightness constancy

6. The light-sensitive inner surface of the eye, containing the rods and cones, is the ______________?

   A. optic nerve
   B. cornea
   C. retina
   D. iris

7. The muscle fibers of the iris can increase or decrease the amount of light entering the eye by expanding or contracting the ______________?

   A. lens
   B. cornea
   C. pupil
   D. fovea

8. Which receptor cells most directly enable us to distinguish different wavelengths of light?

   A. rods
   B. cones
   C. bipolar cells
   D. feature detectors

9. The theory of color vision based on the idea that we possess three distinct receptor areas for the three primary colors of light is the ________________?

   A. primary color theory
   B. signal detection theory
   C. opponent process theory
   D. trichromatic theory

10. 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