Q.1 Which color model is based on the primary colors red, green, and blue?
CMY
HSV
RGB
YUV
Explanation - The RGB color model combines red, green, and blue light in varying intensities to produce a broad array of colors, commonly used in displays.
Correct answer is: RGB
Q.2 In the CMYK color model, 'K' stands for:
Key (Black)
Kaleidoscope
Kernel
Knowledge
Explanation - 'K' in CMYK represents the key color, which is black, used in printing to enhance depth and contrast.
Correct answer is: Key (Black)
Q.3 Which color model represents colors using hue, saturation, and value?
RGB
HSV
CMYK
YUV
Explanation - HSV separates color information into hue (color type), saturation (intensity), and value (brightness), useful for color selection and image editing.
Correct answer is: HSV
Q.4 The additive color model is used for:
Printing
Digital displays
Photography
Painting
Explanation - Additive color models, like RGB, combine light colors to produce various colors, commonly used in monitors and TVs.
Correct answer is: Digital displays
Q.5 Which model is subtractive in nature?
RGB
CMY
HSV
HSL
Explanation - The CMY model subtracts varying amounts of cyan, magenta, and yellow inks from white light, used in printing.
Correct answer is: CMY
Q.6 In the HSL model, 'L' represents:
Lightness
Luminosity
Luminance
Level
Explanation - In HSL, 'L' stands for lightness, indicating how light or dark a color is.
Correct answer is: Lightness
Q.7 YUV color model separates a color into:
Luminance and chrominance
Hue and saturation
Red, green, blue
Cyan, magenta, yellow
Explanation - YUV separates color into Y (luminance) and U/V (chrominance), used in video compression and broadcasting.
Correct answer is: Luminance and chrominance
Q.8 Which color model is often used in video compression?
RGB
HSV
YUV
HSL
Explanation - YUV efficiently represents brightness and color separately, reducing bandwidth for video compression.
Correct answer is: YUV
Q.9 In the RGB model, what color results from mixing red and green light?
Yellow
Cyan
Magenta
White
Explanation - Mixing red and green light in the additive RGB model produces yellow.
Correct answer is: Yellow
Q.10 Which color model is preferred for image editing software for intuitive color selection?
RGB
CMYK
HSV
YUV
Explanation - HSV separates hue, saturation, and value, making it easier for artists and designers to select and adjust colors.
Correct answer is: HSV
Q.11 In the CMYK model, combining 100% cyan, 100% magenta, and 100% yellow results in:
White
Black
Gray
Brown
Explanation - The CMY model is subtractive; combining full cyan, magenta, and yellow ideally absorbs all light, producing black.
Correct answer is: Black
Q.12 Which of the following is not a primary color in the subtractive model?
Cyan
Magenta
Yellow
Green
Explanation - In subtractive CMY, primary colors are cyan, magenta, and yellow; green is a secondary color.
Correct answer is: Green
Q.13 The 'V' in HSV color model refers to:
Value (brightness)
Variety
Volume
Vector
Explanation - Value in HSV denotes the brightness or intensity of a color.
Correct answer is: Value (brightness)
Q.14 Which color model is hardware-friendly for screens and displays?
RGB
CMYK
HSL
YUV
Explanation - Displays emit light; RGB is additive and aligns directly with how screen pixels produce color.
Correct answer is: RGB
Q.15 Which technique is used to represent colors in digital images with minimal data?
Quantization
Interpolation
Subsampling
Dithering
Explanation - Color quantization reduces the number of distinct colors in an image while maintaining visual similarity, minimizing storage.
Correct answer is: Quantization
Q.16 What is the purpose of color interpolation in graphics?
To create smooth color gradients
To mix primary colors
To convert RGB to CMYK
To enhance saturation
Explanation - Color interpolation computes intermediate colors between two or more known colors, producing smooth transitions.
Correct answer is: To create smooth color gradients
Q.17 Dithering in computer graphics is used to:
Reduce color banding
Increase brightness
Convert RGB to HSV
Enhance contrast
Explanation - Dithering approximates unavailable colors using patterns of available colors, reducing visible banding in images.
Correct answer is: Reduce color banding
Q.18 Which color model is device-independent and widely used in color management?
RGB
CMYK
CIELAB
HSV
Explanation - CIELAB is perceptually uniform and device-independent, used for accurate color reproduction across devices.
Correct answer is: CIELAB
Q.19 Which color space uses cylindrical coordinates to describe color?
HSV
RGB
CMYK
YUV
Explanation - HSV uses cylindrical coordinates: hue as the angle, saturation as radius, and value as height.
Correct answer is: HSV
Q.20 The process of mapping image colors to a limited palette is called:
Color quantization
Color blending
Color inversion
Color separation
Explanation - Color quantization reduces the number of distinct colors to match a limited palette, often for compression or display purposes.
Correct answer is: Color quantization
Q.21 Which of the following models separates luminance from chrominance?
RGB
CMYK
YUV
HSL
Explanation - YUV separates brightness (Y) from color information (U and V), aiding compression and transmission in video.
Correct answer is: YUV
Q.22 In color science, gamut refers to:
The range of colors a device can reproduce
The brightness of a color
The hue angle
The saturation level
Explanation - A gamut defines the complete set of colors that a device or color model can represent.
Correct answer is: The range of colors a device can reproduce
Q.23 Which model is most suitable for printing accurate photographs?
RGB
CMYK
HSV
HSL
Explanation - CMYK is subtractive and aligns with ink-based printing, making it ideal for reproducing photographs on paper.
Correct answer is: CMYK
Q.24 Which technique reduces visual artifacts when colors cannot be represented exactly?
Dithering
Quantization
Interpolation
Compression
Explanation - Dithering uses patterns of available colors to approximate unavailable ones, reducing noticeable artifacts.
Correct answer is: Dithering
Q.25 Which color model is more intuitive for human perception of color changes?
RGB
HSV
CMYK
YUV
Explanation - HSV aligns with human perception by separating hue, saturation, and brightness, making adjustments more intuitive.
Correct answer is: HSV