General Awareness

Color Theory and Symbolism

1,945 Questions

Color theory and symbolism examine primary, secondary, and tertiary colors, alongside their psychological and cultural meanings. Questions also cover color spaces, photography, and optical properties. This specialized topic appears in design, architecture, and general intelligence sections of various competitive exams.

Primary and secondary colorsColor spaces and modelsCultural color symbolismChemical compound colorsOptical color properties

Color Theory and Symbolism Questions

Multiple choice civics road safety rules and regulations road safety education general awareness road safety

Which color combinations are used as signal lights?

  1. Pink, Red, Blue

  2. Blue, Black, White

  3. Red, Green, Yellow

  4. None of above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Red, Green, Yellow color combinations are used as signal lights. Red as the color for stop, it is thought, because red has for centuries been used to indicate danger. For the other colors, they chose green as the color for go and yellow as the color for caution.

Multiple choice evs modern agriculture agricultural practices in india different types of farming and agriculture various agricultural practices

The colour of net in net house farming is 

  1. White

  2. Black

  3. Green

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • Green shade nets allow many of the lights to pass through with minimal effect on photosynthesis, however the same is not true for all the colours. 
  • When the light passes through the shade nets, a fraction of light spectra gets reflected and that varies from the colour of light spectra.
  • In blue shade nets, the photosynthetic activity gets reduced and in black/grey shade nets, shade avoidance mechanism is observed as the plant's photosynthetic activity does not suffice it. 
  • Therefore, green shade nets are mostly preferred over other coloured nets.
So the correct option is 'Green'.
Multiple choice geography human occupations primary economic activities population of india population

People working in quarternary activities are called _____ collar workers.

  1. Red

  2. Pink

  3. White

  4. Blue
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
  • Quaternary services represent a special type of service work focussing on professional and administrative services. These activities include financial and health services, information processing, teaching and government services, and entertainment services. Almost all activity related to quaternary services takes place in the office building environments or specialized environments like those provided by schools, hospitals, hotels, theatres, etc. People engaged in these activities are called white-collar workers.
Multiple choice common laboratory equipments common laboratory apparatus and equipments laboratory equipments know about some common gases chemistry

If you keep red coloured marbles in a blue coloured vase made of glass then the colour of red coloured marbles will appear

  1. Blue

  2. Red

  3. Black

  4. White
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When red coloured marbles are put inside the blue coloured vase, it will appear black because when light is incident on blue coloured vase which is transparent (Glass), it absorbs all the colours of white light except blue, and when blue colour tight incident on red marbles It will absorb blue colour and no light will be emitted by it. So it will appear black.


Multiple choice physics spectra sunlight - white and coloured sunlight - combination of 7 lights fibre optics basics

Which of the following are Primary pigments ?

  1. Yellow, green, magenta

  2. Magenta, yellow, cyan

  3. Blue, green, yellow

  4. Blue, green, violet
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The primary colors of pigment are used when producing colors from reflected light; for example, when mixing paint or using a color printer. The primary colors of pigment are Magenta, Yellow, and Cyan. 

Hence, the correct answer is OPTION B.

Multiple choice physics spectra sunlight - white and coloured sunlight - combination of 7 lights fibre optics basics

A piece of cloth looks red in sun light. If it is held in the blue portion of a solar spectrum, it will appear

  1. Red

  2. Black

  3. Blue

  4. White
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A cloth piece looks red in sun light because it absorbs all the colours of sun light except red, red is reflected to our eyes.

When red cloth piece is held in only the  blue portion of solar spectrum, the blue light will be absorbed by red cloth and as there is no red light is to reflect, therefore no colour will be reflected back i.e. cloth piece will appear black.