Color modes (RGB, CMYK, Grayscale)

By: Prof. Dr. Fazal Rehman Shamil | Last updated: July 28, 2024

MCQs on Color Modes in Adobe Photoshop

  1. What does RGB stand for in the context of color modes?
    • a) Red, Green, Blue
    • b) Red, Gold, Black
    • c) Rose, Green, Brown
    • d) Red, Gray, Blue
    • Answer: a) Red, Green, Blue
  2. Which color mode is primarily used for printing purposes?
    • a) RGB
    • b) CMYK
    • c) Grayscale
    • d) Indexed Color
    • Answer: b) CMYK
  3. In the CMYK color mode, what does the “K” stand for?
    • a) Key (Black)
    • b) King (Yellow)
    • c) Kelvin (Temperature)
    • d) Kinetic (Energy)
    • Answer: a) Key (Black)
  4. Which color mode uses shades of gray to represent an image?
    • a) RGB
    • b) CMYK
    • c) Grayscale
    • d) Duotone
    • Answer: c) Grayscale
  5. Which color mode is best suited for web graphics and digital displays?
    • a) RGB
    • b) CMYK
    • c) Grayscale
    • d) Lab Color
    • Answer: a) RGB
  6. What is the main difference between RGB and CMYK color modes?
    • a) RGB is used for print, CMYK is used for digital displays.
    • b) RGB is used for digital displays, CMYK is used for print.
    • c) RGB uses four colors, CMYK uses three colors.
    • d) RGB is for grayscale images, CMYK is for colored images.
    • Answer: b) RGB is used for digital displays, CMYK is used for print.
  7. How do you convert an image to Grayscale in Adobe Photoshop?
    • a) Image > Mode > Grayscale
    • b) Layer > New Adjustment Layer > Grayscale
    • c) Filter > Convert to Grayscale
    • d) Edit > Convert to Grayscale
    • Answer: a) Image > Mode > Grayscale
  8. Which color mode should you use if you want to ensure color accuracy when printing an image?
    • a) RGB
    • b) CMYK
    • c) Grayscale
    • d) Indexed Color
    • Answer: b) CMYK
  9. When converting an image from RGB to CMYK, what is a potential issue you might encounter?
    • a) Loss of color information
    • b) Increase in file size
    • c) Decrease in resolution
    • d) Conversion to black and white
    • Answer: a) Loss of color information
  10. Which color mode can represent the most colors?
    • a) RGB
    • b) CMYK
    • c) Grayscale
    • d) Indexed Color
    • Answer: a) RGB
  11. Which of the following color modes is NOT typically used in professional printing?
    • a) RGB
    • b) CMYK
    • c) Grayscale
    • d) Lab Color
    • Answer: a) RGB
  12. What does the term “color gamut” refer to in the context of color modes?
    • a) The number of colors an image contains
    • b) The range of colors a device can display or print
    • c) The brightness of an image
    • d) The contrast ratio of an image
    • Answer: b) The range of colors a device can display or print

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