MCQs
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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”
- 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
- 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
- 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”
- 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
- 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
- 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
- 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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