1.
What was the first color to be produced synthetically?
Correct Answer
D. Mauve
Explanation
The first color to be produced synthetically was mauve, which is a shade of purple. This discovery is credited to Sir William Henry Perkin, a British chemist, who accidentally synthesized the dye while attempting to create a synthetic quinine in 1856. The dye, later named mauveine or mauve, became the first synthetic dye and marked the beginning of the chemical dye industry. Perkin's accidental discovery of mauve was significant because, prior to this, most dyes were derived from natural sources. Mauve's introduction opened up possibilities for producing a wide range of colors through chemical synthesis, revolutionizing the textile and fashion industries.
2.
The color purple came from snail mucus until which year?
Correct Answer
B. 1856
Explanation
The color purple, historically derived from snail mucus, transitioned to synthetic production in the late 19th century, with the invention of mauveine in 1856 by Sir William Henry Perkin. This synthetic dye marked a significant breakthrough, replacing the reliance on natural sources like snails for obtaining the color purple.
3.
Only rich French could wear red shoes in which century?
Correct Answer
D. 17
Explanation
In the 17th century, only rich French individuals were able to wear red shoes. This suggests that red shoes were considered a luxury item and were likely expensive to obtain. The question implies that wearing red shoes was a status symbol during this time period, reserved for the wealthy elite.
4.
Which of these colors make most people hungry?
Correct Answer
B. Yellow
Explanation
Yellow is often associated with food and hunger because it is the color of many appetizing foods such as bananas, lemons, and cheese. Additionally, yellow is believed to stimulate the appetite and increase feelings of hunger. Studies have shown that people tend to eat more when surrounded by yellow, as it can make food look more appealing and appetizing. Therefore, yellow is the color that most people find makes them hungry.
5.
Mosquitoes love which of these colors?
Correct Answer
D. Blue
Explanation
Mosquitoes are attracted to colors that are similar to their preferred host, which is usually dark-colored. Blue is often mistaken for black by mosquitoes, so they are more likely to be attracted to blue objects.
6.
Which color replace the color green in the Japanese traffic light?
Correct Answer
C. Blue
Explanation
In the Japanese traffic light, the color that replaces green is blue. This is because in the Japanese language, the term used for the color blue, "ao," is also used to describe both blue and green shades. Therefore, the traffic light in Japan uses a shade of blue instead of green to indicate "go."
7.
What does the color black represent in the CMYK color model used in printing?
Correct Answer
A. No color
Explanation
In the CMYK color model utilized in printing, black represents the absence of color. The K in CMYK stands for key, and black is used as a key color to enhance contrast and detail in printed materials. Thus, black serves a pivotal role in the color reproduction process, contributing to print quality.
8.
Which color is considered a tertiary color in the RGB color model?
Correct Answer
D. Purple
Explanation
In the RGB color model, where colors are created by combining red, green, and blue light, purple is a tertiary color. Tertiary colors arise from mixing a primary color with a secondary color. Thus, purple results from combining red and blue light, exemplifying the complexities of additive color mixing.
9.
The color red in the US flag stands for...
Correct Answer
C. Courage
Explanation
The color red in the US flag stands for courage. This is because red is often associated with bravery and strength. It symbolizes the courage and sacrifice of the men and women who have fought for the country's freedom and independence. The red color in the flag serves as a reminder of the bravery and valor displayed by the country's armed forces throughout history.
10.
What primary color results from the combination of blue and yellow?
Correct Answer
A. Green
Explanation
When blue and yellow pigments blend, they create green. This combination is fundamental in the subtractive color model, commonly used in painting and printing, where colors are created by subtracting wavelengths. The synthesis of blue and yellow produces green, forming a crucial part of the color spectrum.