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 ________________?

Related Mcqs:

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

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

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

   A. fovea
   B. ganglion
   C. cone
   D. rod

3. Ashley is trying to create a small Christmas village on the mantle of her fireplace. She bought 3-inch high figures to put near the back. Ashley is trying to increase the impression of depth in her Christmas village through the use of:

   A. texture gradient
   B. linear perspective
   C. light and shadow
   D. relative size

4. 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

5. 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

6. 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

7. 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

8. Babar was at a football game, and even though people wearing green jackets were spread fairly evenly throughout the stands, he still perceived all the people in green jackets as a single group of visiting fans. Babar’s perception is most consistent with the Gestalt principle of:

   A. Constancy
   B. Similarity
   C. Closure
   D. Proximity

9. The amount of light entering the eye is regulated by the _______________?

   A. lens
   B. iris
   C. retina
   D. Coptic nerve

10. 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