The degree of concentration or dilution of a color is known as its _______________?

A. Brightness
B. Hue
C. Volume
D. Saturation

The taste buds on the tip of the tongue are most sensitive to ________________?

A. Salty tastes
B. Sour tastes
C. Bitter tastes
D. Sweet tastes

Differences in perception among species depends upon _____________?

A. Habitual
B. Complexity of nervous system
C. Receptor mechanism
D. All of the above

Convergence of the eyes is controlled primarily by ______________?

A. Extrinsic muscles of the eye
B. Curvature of lens
C. Ciliary muscles of eye
D. Muscles of iris

Which of the senses foes the majority of hallucinations occur in?

A. Sight
B. Smell
C. Hearing
D. Taste

There are five recognized senses in human beings. Two other abilities that may be added to the list include ______________?

A. Telepathy and precognition
B. Psycho-kinesis and kinesthesis
C. Balance and kinesthesis
D. Psycho-kinesis and clairvoyance

The gestalt experience of perceiving an array of equally spaced dots as rows and columns is attributed to ________________?

A. Wholistic functions
B. Continuity
C. Proximity
D. Additive vision

What is not an example of perceptual constancy?

A. Size
B. Shape
C. Color
D. Dimension

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

Myopia, or near sightedness is caused by _______________?

A. A cloudy cornea
B. An elongated eyeball
C. A malfunction of the lens of the eye
D. An eyeball that has become shortened