Working with channels MCQs

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

MCQs

  1. What are channels in Adobe Photoshop primarily used for?
    • A) To adjust image color balance
    • B) To create text layers
    • C) To store and manipulate color information and selections
    • D) To apply filters

    Answer: C) To store and manipulate color information and selections

  2. Which channels are typically present in a standard RGB image in Photoshop?
    • A) Red, Green, Blue, and Alpha
    • B) Cyan, Magenta, Yellow, and Black
    • C) Red, Green, Blue, and Composite
    • D) Red, Green, Blue, and Gray

    Answer: C) Red, Green, Blue, and Composite

  3. What does the “Composite” channel represent in an RGB image?
    • A) The sum of the individual color channels
    • B) The average of the color channels
    • C) A combination of the color channels to show the final image
    • D) The transparency information of the image

    Answer: C) A combination of the color channels to show the final image

  4. How can you view individual color channels in Photoshop?
    • A) By selecting channels in the Channels panel
    • B) By applying filters to the image
    • C) By adjusting image levels
    • D) By using the Brush Tool

    Answer: A) By selecting channels in the Channels panel

  5. What is the purpose of the Alpha channel in Adobe Photoshop?
    • A) To store selection data and masks
    • B) To store color information for the image
    • C) To adjust image brightness
    • D) To create new layers

    Answer: A) To store selection data and masks

  6. How can you create a new channel in Photoshop?
    • A) Go to Image > Adjustments > New Channel
    • B) Click the “New Channel” button at the bottom of the Channels panel
    • C) Use the “New Channel” option in the Layers panel
    • D) Press Ctrl + N (Cmd + N on Mac) and select Channel

    Answer: B) Click the “New Channel” button at the bottom of the Channels panel

  7. What does the “Load Channel as Selection” option do in Photoshop?
    • A) Applies a filter to the channel
    • B) Creates a new channel from the current selection
    • C) Uses the selected channel to create a selection outline
    • D) Deletes the current channel

    Answer: C) Uses the selected channel to create a selection outline

  8. How do you convert a grayscale channel to a selection in Photoshop?
    • A) By using the “Channel Mixer” adjustment
    • B) By clicking on the channel and selecting “Load Channel as Selection”
    • C) By applying a Gaussian Blur
    • D) By adjusting the image contrast

    Answer: B) By clicking on the channel and selecting “Load Channel as Selection”

  9. In the Channels panel, what does the eye icon next to a channel indicate?
    • A) The channel is hidden from view
    • B) The channel is active and visible in the workspace
    • C) The channel is locked for editing
    • D) The channel is selected for deletion

    Answer: B) The channel is active and visible in the workspace

  10. What is the function of the “Channel Mixer” adjustment in Photoshop?
    • A) To adjust the levels of individual color channels
    • B) To mix colors between different channels
    • C) To create a new alpha channel
    • D) To convert color channels to grayscale

    Answer: B) To mix colors between different channels

  11. How can you delete a channel in Adobe Photoshop?
    • A) Drag the channel to the Trash icon in the Channels panel
    • B) Right-click the channel and select “Delete Channel”
    • C) Select the channel and press the Delete key
    • D) Use the “Clear Channel” option in the Edit menu

    Answer: B) Right-click the channel and select “Delete Channel”

  12. What happens when you hide all color channels except one in an RGB image?
    • A) The image is shown in grayscale
    • B) Only the selected color channel’s information is visible
    • C) The image is completely hidden
    • D) The image is displayed with increased contrast

    Answer: B) Only the selected color channel’s information is visible

  13. How do you create a selection from a channel that contains a mask or alpha information?
    • A) Open the channel and use the “Select > Load Selection” option
    • B) Use the “Filter > Extract” tool
    • C) Adjust the Levels in the Channels panel
    • D) Apply a color overlay to the channel

    Answer: A) Open the channel and use the “Select > Load Selection” option

  14. What does the “Save Selection” option do in the Channels panel?
    • A) Saves the current selection as a new channel
    • B) Saves the image with the current selection applied
    • C) Saves the color information of the selected channel
    • D) Saves the alpha channel as a separate file

    Answer: A) Saves the current selection as a new channel

  15. Which panel allows you to adjust the visibility and blending mode of channels in Photoshop?
    • A) Layers panel
    • B) Channels panel
    • C) Paths panel
    • D) History panel

    Answer: B) Channels panel

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