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99 free Interior Design trivia questions with answers — trivia quiz, new questions added Aug 2026.
50 free interior design trivia questions with answers. Are you passionate about interior design? Put your expertise to the test with our engaging interior design trivia quiz. Whether you're a professional designer, student, or enthusiast, this quiz will challenge your knowledge of design styles, legendary designers, color theory, and decorating principles. See how well you really know the world of interior design!
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Q 01What term in color theory describes the lightness or darkness of a color?
Value
Value refers to how light or dark a color appears, often described as shades (adding black) or tints (adding white).
Q 02Which design style, popularised by Eames and Saarinen, favoured clean lines and organic shapes?
Mid-Century Modern
Mid-Century Modern design emphasized simplicity, natural forms, and often incorporated new materials and technologies, becoming popular in the mid-20th century.
Q 03Which wood is prized in high-end furniture for its durability and distinctive dark grain?
Walnut
Black walnut heartwood is prized for its dark color and straight grain, and has historically gone into gun stocks, flooring, paddles and coffins as well as fine furniture.
Q 04Which layer of a lighting plan provides the overall background illumination for a room?
Ambient
Ambient light is the base layer of a lighting plan, usually supplied by ceiling fixtures such as flush mounts, recessed cans or a chandelier, with task and accent light added on top.
Q 05Which furniture piece, with a back and armrests, seats more than one person?
Sofa
The word sofa comes to English via Turkish from the Arabic 'suffah', meaning a ledge or bench; 'couch' is the everyday term in North America while 'sofa' and 'settee' dominate in Britain.
Q 06Which interior design principle concerns the size of objects relative to each other and the space?
Scale
Scale in interior design concerns the size of an object in relation to other objects in the room, the room itself, and the human body.
Q 07Which 'organic architecture' pioneer designed the Fallingwater house?
Frank Lloyd Wright
Wright called his philosophy of designing in harmony with people and environment 'organic architecture'; at Fallingwater he designed most of the built-in furniture himself.
Q 08Which natural fibre, harvested from a plant's seed bolls, is widely used in bedding?
Cotton
Cotton fibre grows around the seeds of the cotton plant inside bolls; it is soft, breathable and easily dyed, making it the most common natural fibre in sheets and upholstery.
Q 09Which 1920s-30s decorative style features geometric patterns, streamlined forms and materials like chrome and glass?
Art Deco
Art Deco, an influential style of the 1920s and 30s, embraced modernity with its opulent and geometric aesthetic, often seen in architecture, furniture, and fashion.
Q 10What unit describes the color temperature of light, whether it appears warm or cool?
Kelvin
Color temperature, measured in Kelvin (K), describes the warmth or coolness of a light source, with lower Kelvin values indicating warmer light and higher values indicating cooler light.
Q 11Which durable, water-resistant flooring, sold in sheets or planks, is often used in kitchens and bathrooms?
Vinyl
Vinyl does not let water through, which is what makes sheet vinyl suitable for kitchens and bathrooms.
Q 12In design, which element is defined as the path of a moving point, or the connection between two points?
Line
Lines can be actual or implied, and their direction matters: horizontals read as calm, verticals as formal, and diagonals as dynamic.
Q 13Which furniture style stresses simplicity, clean lines, neutral colours and little ornamentation?
Minimalist
Minimalist furniture keeps to essential forms and functions; the style took off in late-1980s London and New York boutiques, with white elements, cold lighting and large, sparsely furnished spaces.
Q 21Which paint finish has the highest sheen and is generally the most durable for high-traffic areas?
Gloss
Gloss paint finishes are highly reflective and durable, making them ideal for surfaces that require frequent cleaning and protection, such as doors, trim, and cabinets.
Q 22Which designer created the 'Barcelona Chair' and advocated 'less is more'?
Ludwig Mies van der Rohe
Ludwig Mies van der Rohe, a pioneer of modernist architecture and design, is renowned for his minimalist aesthetic and iconic furniture pieces like the Barcelona Chair.
Q 23What natural flooring material is known for durability and a cool-to-the-touch surface?
Stone
Q 14What design principle repurposes discarded items into new products of higher value?
Upcycling
Upcycling transforms waste materials or unwanted products into new items with increased quality or environmental value, contributing to sustainable design.
Q 15What window treatment has adjustable slats that tilt to control light and privacy?
Blinds
Blinds are a versatile window treatment with slats that can be rotated to manage incoming light and maintain privacy.
Q 16Which black-and-white check pattern was found on Bronze Age textiles in an Austrian salt mine?
Houndstooth
The pattern alternates solid checks with diagonally striped ones, and is also called dogstooth; the oldest surviving examples came from the Hallstatt salt mine and date to 1500-1200 BC.
Q 17Which interior design era is known for ornate heavy furniture, dark wood and rich, often somber colours?
Victorian
Victorian interior design, prevalent during Queen Victoria's reign, was characterized by elaborate ornamentation, dark colors, and a maximalist approach to decor.
Q 18Which pioneering interior designer won fame for the 1905 interiors of New York's Colony Club?
Elsie de Wolfe
De Wolfe rejected the heavy Victorian look she grew up with in favor of light, fresh colors and delicate chinoiserie, setting the template for the professional decorator.
Q 19What kitchen concept arranges fridge, sink and stove to minimize movement?
Work triangle
The concept grew out of 1940s efficiency studies; Lillian Gilbreth's 'circular routing' for L-shaped kitchens is what later became known as the work triangle.
Q 20Whose 1856 book The Grammar of Ornament set out 37 principles of interior design and decoration?
Owen Jones
Owen Jones, one of the most influential design theorists of the 19th century, helped bring interior design theory to the middle classes with his lavishly illustrated book.
Stone flooring, such as marble, granite, or slate, is highly durable and brings a natural, cool aesthetic to interiors.
Q 24Which design style features exposed brick, visible ductwork and a raw, unfinished look?
Industrial
Industrial style borrows the raw look of factories and warehouses: weathered wood, exposed brick, visible building systems, industrial light fixtures and concrete.
Q 25What colour scheme uses two colours directly opposite each other on the colour wheel?
Complementary
A complementary scheme pairs two colours from opposite sides of the wheel, such as blue and orange, which combine to form grey and create strong visual contrast.
Q 26What term describes a home layout that removes the walls between the kitchen, dining and living areas?
Open concept
An open concept (open plan) layout drops the walls between kitchen, dining and living space; it took off in American homes in the 1970s, though critics note it leaves kitchen clutter in view.
Q 27In interior design, what element refers to the perceived smoothness, roughness, or hardness of a surface?
Texture
Texture refers to the tactile quality of a surface, which can be real (how it feels) or visual (how it appears to feel), influencing the sensory experience of a space.
Q 28Which furniture material is an iron alloy whose chromium content makes it resistant to rust?
Stainless steel
Stainless steel is also known as inox, from the French 'inoxydable' (non-oxidizable), and its luster and corrosion resistance make it a staple of modern and outdoor furniture.
Q 29What decorative trim is installed where an interior wall meets the ceiling?
Crown molding
Crown molding is set at an angle across the wall-ceiling joint, leaving a hidden triangular void behind it; wainscoting and chair rails sit lower on the wall.
Q 30Which design style of light colours, natural materials and cosiness is associated with 'hygge'?
Scandinavian
Scandinavian design married Bauhaus-influenced functionalism to light woods and pale colours; Danish hygge, the culture of cosiness, is its lifestyle counterpart, and Arne Jacobsen's 1958 Egg chair is a landmark piece.