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COLOR VISION

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

colour is characterized by 3 qualities except?

a)

hue

b)

purity

c)

saturation

d)

brightness

2.

What will be the minimum light stimulation where the eyes can start perceiving colours?

a)

0.25cd

b)

0.50cd

c)

0.75cd

d)

1.00cd

3.

theory on color vision which suggests that the human eye has three types of color receptors, also known as cones, which are sensitive to different wavelengths of light.

a)

trichromatic therory of CV

b)

retinal mosaic theory

c)

opponent-process theory

d)

herrings law of equal innervation

4.

On absorption by ocular media how much light is will be absorbed?

a)

6%

b)

7%

c)

8%

d)

9%

5.

It is determined by wavelength and gives rise to the characteristic series of sensation when we view the spectrum.

a)

HUE OR TONE

b)

BRIGHTNESS

c)

SATURATION

d)

PURITY

6.

It refers to the visual perception of how light or luminous a surface or object appears to be

a)

Hue or tone

b)

brightness

c)

saturation

d)

purity

7.

It is a visual function that allows perception of variation among physical wavelengths of light that compile the visible spectrum.

a)

visual integrity

b)

visual efficiency

c)

visual interpretative processing

d)

color vision

8.

Theory proposed by Thomas Young and later expanded upon by Hermann von Helmholtz, is a fundamental theory that explains how the human visual system perceives colors.

a)

opponent - process theory

b)

wall theory of fusion

c)

trichromatic theory

d)

helmholtz theory

9.

Wha photopigment does Long cones have?

(a)  

10.

What photopigment does Short cone have?

(a)  

11.

What abbreviation is added for portion of retinal system on chlorolabe photopigment?

(a)  

12.

it refers to the absence of 2 or all 3 cone photopigments.

a)

monochromacy

b)

dichromacy

c)

trichromacy

d)

tetrachromacy

13.

an ABSOLUTE defect or complete absence of 1 portion of cone photopigment system.

a)

monochromacy

b)

dichromacy

c)

trichromacy

d)

tetrachromacy

14.

type of dichromatism which has an abnormality on erythrolabe

a)

protanopia

b)

deuteranopia

c)

tritanopia

15.

Partial defect or alteration of one portion of cone photo pigment system.

(a)  

16.

What is the common color vision deficiency affecting the retina and the optic nerve?

a)

red - green CVD

b)

Blue - green CVD

c)

red - yellow CVD

d)

Blue - yellow CVD

17.

What type of Dichromatism that does not change its spectral sensitivity?

a)

Protanopia

b)

deuteranopia

c)

tritanopia

18.

TRUE OR FALSE: ROD MONOCHROMACY HAS NO FUCNTIONING PHOTOPIC SYSTEM

a)

TRUE

b)

FALSE

19.

Which type of Dichromatism shifts the spectral sensitivity to longer wavelengths?

a)

protanopia

b)

deuteranopia

c)

tritanopia

20.

TRUE OR FALSE: ALL MONOCHROMATISM LEADS TO NO AVAILABLE COLOR DISCRIMINATION

a)

TRUE

b)

FALSE