Adobe Photoshop
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50 free Adobe Photoshop trivia questions with answers — science & nature quiz, new questions added Oct 2026.
Photoshop has been the standard image editor for so long that its name became a verb, something Adobe's lawyers would rather you did not say. Behind the icons sits a surprisingly human story: two brothers, a hobby program and a holiday photo that was handed out with the earliest demos. This quiz starts with the basics a beginner meets on day one: what the main toolbar tools do and which keys speed things up. It then moves on to layers, masks, blending and the other features used to build a composite image, and ends with questions on the people and versions behind the software. It suits students revising for a design class, self-taught editors checking what they have missed, and teachers who want a ready-made set of questions with answers and explanations.
30 of 50 questions with answers and explanations. Play the quiz
Q 01Which film awards gave Photoshop creators Thomas and John Knoll a Scientific and Engineering Award in 2019?
The Oscars
The Oscars honored the brothers for Photoshop's original architecture, design and development. John Knoll had already won an Academy Award for the visual effects in a Pirates of the Caribbean sequel.
Q 02Photoshop co-creator John Knoll worked at which visual effects company, where he supervised the Star Wars prequels?
Industrial Light & Magic
Industrial Light & Magic employed John Knoll when he urged his brother Thomas to grow a hobby program into a full image editor. He later helped pitch the story that became Rogue One.
Q 03Photoshop 1.0 went on sale in February 1990 for which computer platform only, at a list price of $895?
Macintosh
Macintosh owners had Photoshop to themselves at first; Thomas Knoll had written the original code on a Mac Plus. Windows users had to wait for version 2.5.
Q 04Which Photoshop tool paints with pixels sampled from elsewhere in the image, a staple for hiding unwanted objects?
Clone Stamp
Clone Stamp copies from a source point that you set by Alt-clicking (Option-clicking on macOS), then paints those pixels wherever you drag, even into another open document.
Q 05A Photoshop layer mask is a grayscale image; painting it with which color hides that part of the layer?
Black
Black conceals and white reveals, while shades of gray leave the layer partly see-through. Because a mask only hides pixels, the original picture stays intact underneath.
Q 06What nickname do designers give the animated dashed outline that Photoshop draws around a selected area?
Marching ants
Marching ants were first widely seen in Bill Atkinson's MacPaint in the 1980s. The moving border was later adopted by Photoshop and many other graphics programs.
Q 07Photoshop's Type menu has a command that pastes which famous placeholder text, used by designers to mock up layouts?
Lorem ipsum
Lorem ipsum is scrambled Latin taken from a work by Cicero. Because nobody can read it, viewers judge the layout and the typeface rather than the words.
Q 08Which Adobe subscription service became the only way to get new versions of Photoshop from 2013 onward?
Creative Cloud
Creative Cloud swapped boxed software for a recurring fee. Photoshop CS6, released a year earlier, was the last version sold with a perpetual license.
Q 09Which Photoshop tool, named after a darkroom trick of holding back light from a print, lightens the areas you paint?
Dodge
Dodge takes its name from film printing, where shading part of the paper under the enlarger kept that area pale. Its partner tool does the reverse and darkens.
Q 10Which file extension does Photoshop give its native documents, which keep layers, masks and text editable?
.PSD
The .PSD extension stands for Photoshop Document. Rival editors such as Affinity Photo can open the format too, because so many designers trade files in it.
Q 11Which Photoshop selection tool grabs an area of similar color in one click, guided by a Tolerance setting?
Magic Wand
Magic Wand selects pixels close in color to the one you click, so a red flower can be isolated without tracing its outline. A higher Tolerance takes in a wider range of shades.
Q 12Which Photoshop tool draws a freehand selection border and also comes in Polygonal and Magnetic versions?
Lasso
Lasso selections follow wherever you drag. The Magnetic version snaps its border to edges in the picture, which helps with objects set against a contrasting backdrop.
Q 13Which Photoshop tool picks up a color from the image so that you can paint with exactly that shade?
Eyedropper
Q 21Which kind of Photoshop layer changes color and tone in the layers below without permanently altering any pixels?
Adjustment
Adjustment layers can be re-edited or thrown away at any time. Painting on the mask that comes with each one limits the change to just part of the picture.
Q 22What does Photoshop call a layer that keeps its original image data, so repeated resizing never degrades quality?
Smart Object
Smart Object layers hold the source untouched, so you can scale, rotate, skew or warp as often as you like. They first appeared in Photoshop CS2.
Q 23Which Photoshop technique uses the shape of one layer to limit where the layers above it are visible?
Clipping mask
Eyedropper sampling is not limited to the open picture: keep the mouse button down and you can drag to pick a color from anywhere else on the screen.
Q 14Which Photoshop tool trims the edges of a picture and can also straighten a tilted horizon in one step?
Crop
Crop no longer has to throw anything away: the trimmed pixels can be kept out of sight, so you can reopen the tool later and bring back what you cut.
Q 15Holding which key in Photoshop temporarily switches to the Hand tool, so you can drag around a zoomed-in image?
Spacebar
Spacebar turns almost any tool into the Hand tool for as long as you hold it. Double-clicking the Hand tool's icon fits the whole image in the window.
Q 16Which Photoshop command, on Ctrl+T or Command+T, lets you scale, rotate and skew a layer in one operation?
Free Transform
Free Transform saves quality as well as time: a pixel image gets slightly less sharp each time a transformation is committed, so doing every change in one pass is kinder to it.
Q 17Which pair of keys shrinks and enlarges the brush tip in Photoshop without opening a single panel?
Square brackets
Square brackets resize the brush: [ makes the tip smaller and ] makes it larger. Add Shift and the same keys become curly braces, which soften or harden its edge.
Q 18In Photoshop's toolbar, what does a small triangle at the lower right of an icon signal?
Hidden tools sit beneath it
Hidden tools sit beneath it, and clicking and holding the icon opens the group. Pressing a tool's shortcut letter with Shift steps through the same group without the mouse.
Q 19Which strip in Photoshop's workspace changes its controls to suit whichever tool is currently selected?
Options bar
Options bar space also carries the Home icon, a shortcut back to Photoshop's Home screen from any open document. Everything else on it is context-sensitive.
Q 20Which key hides or shows all of Photoshop's panels at once, toolbar included, to clear the screen for the image?
Tab
Tab clears every panel in one press, and pressing it again brings them all back. Shift+Tab is the gentler version, hiding the side panels but leaving the toolbar in place.
Clipping mask groups are easy to spot in the Layers panel: the base layer's name is underlined, and the thumbnails of the layers it clips are indented.
Q 24Which Photoshop blending mode always gives a darker result, an effect Adobe likens to drawing with several marking pens?
Multiply
Multiply leaves a color unchanged wherever the layer above is white, so only that layer's darker areas show through.
Q 25Which Photoshop color mode is the usual choice for images in a full-color printed brochure?
CMYK
CMYK stands for cyan, magenta, yellow and key, the plate that prints outlines and text more crisply than three inks could alone. Images bound for screens stay in RGB.
Q 26In Photoshop's Image Size dialog, what does the resolution unit ppi stand for?
Pixels per inch
Pixels per inch says how tightly an image's dots are packed when it is printed. Adobe suggests at least 220 ppi for a high-quality photo from an inkjet printer.
Q 27Photoshop is classed as which kind of graphics editor, because it stores the color of every pixel rather than paths?
Raster
Raster images record the exact color of each pixel, which suits photographs. Vector graphics describe shapes with mathematical formulas, the better fit for line art.
Q 28Which Photoshop layer setting, running from 0 to 100 percent, controls how see-through the whole layer appears?
Opacity
Opacity fades everything on the layer, effects included. A separate Fill slider fades only the layer's own pixels, shapes or text and leaves its effects at full strength.
Q 29Which Photoshop feature, introduced in CS5, covers a removed object with detail sampled from elsewhere in the picture?
Content-Aware Fill
Content-Aware Fill studies the surroundings and builds a matching patch, so a stray tourist or power line can vanish without hand-painting.
Q 30Which Photoshop filter lets you push, pull, pucker and bloat any area of an image, and is often used on portraits?
Liquify
Liquify can even find faces by itself: its face-detecting controls identify the eyes, nose and mouth automatically, so each feature can be adjusted separately.