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 electromagnetic spectrum electromagnetic waves physics

Mark the correct option in impure spectrum :

  1. Order of colours is reverse

  2. Order of colours is irregular

  3. colours are overlapped

  4. no colours is present
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

For impure spectrum:

  1. The order of colours is are straight, hence option a is false
  2. Order of colours are regular
  3. Colours are overlapped each other in impure spectrum
  4. Colours are present in impure spectrum
Hence option C is the correct statement according to the impure spectrum

Multiple choice evs magic with mirrors kaleidoscope uses of plane mirror reflected light can be reflected again

When does the tumbling of coloured objects presents varying colours and patterns in kaleidoscope?

  1. When kaleidoscope tube is stood erect
  2. When kaleidoscope tube is tilted at $180^0$

  3. When kaleidoscope tube is rotated

  4. When kaleidoscope tube is inverted
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When kaleidoscope tube is rotated then it forms different varying patterns and colours.

Multiple choice biology nutrition - food supplying system site of photosynthesis chloroplast and pigments of photosynthesis pigments

Which of the following pairs are correctly matched? Principal wavelength Physiological of light event.
a. $700$nm- Photo system I
b. $650$nm- Photo system II
c. $690$nm- Photo system III
d. $620$nm- Phycocyanin
Select the correct answer using the codes given.

  1. $1, 2$ and $4$
  2. $1, 3$ and $4$
  3. $2$ and $4$
  4. $1$ and $3$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

PS I absorbs at 700nm, PS II at 680nm (650nm is often associated with accessory pigments/PS II complex), and Phycocyanin absorbs around 620nm. PS III does not exist.

Multiple choice evs light and shadow nature and sources of light how light travels path of light elementary ideas of astronomy

The colour of a green leaf, when white light passing through a yellow filter is applied on it is:

  1. black

  2. yellow

  3. red

  4. green
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A yellow filter allows only yellow colour to pass through it. A leaf looks green because leaf reflects green colour and absorbs the rest. Thus, the yellow light passing through the filter will be absorbed by the green leaf. Thus, no colour will be reflected by the leaf making it appear black.

Multiple choice botany flower to flower flower: parts of a flower flower and pollination calyx and corolla importance of pollination

Colour of night blooming flowers is usually.

  1. Violet to purple

  2. Red

  3. Yellow

  4. Whitish
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Most of the night flowers are white emerges better in low light conditions. Hence making it simpler for insects to discover. As they bloom at night the plant does not have to waste resources producing coloured pigments to attract the day insects. Night blossoming blooms are ordinarily and vigorously scented. Then it goes about as an attractant for nighttime insects and mammals.

Thus the correct answer is option D.

Multiple choice botany internal structure of root, stem and leaf internal structure of monocot leaf internal structure of leaf (dicot and monocot) anatomy of leaf internal structure of dicot leaf

In isobilateral leaves

  1. Lower surface is brighter green

  2. Upper surface is lighter green

  3. Both the surfaces are equally green

  4. Upper surface is dark green while the lower surface is lighter green
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Leaves, in which both sides appear in equally green color are called isobilateral leaves. It is due to the presence of spongy parenchyma.

So, the correct option is ‘both the surface are equally green’.

Multiple choice newton's colour disc light and the formation of shadows physics

How many colours comprises white light?

  1. infinite

  2. seven

  3. three

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

White light comprises of seven colours- Violet, Indigo, Blue. Green, Yellow, Orange , Red. 

So, when white light consisting  of seven colors falls on a transparent medium (glass prism) , each color in it is refracted ( or deviated ) by a different angle , with the result that seven colors are spread out to form a spectrum, The red color is deviated least , so it forms the upper part of the spectrum . On the other hand, violet color is deviated the maximum, so violet appears at the bottom of the spectrum.

Multiple choice newton's colour disc light and the formation of shadows physics

What are the components of sunlight:

  1. Violet,red,yellow,white,magenta,purple,silver

  2. Violet,blue,green,red,indigo,yellow,orange

  3. Red,yellow,black,orange,silver,violet,blue

  4. Can't be determined
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sunlight is reffered as white light.It consist of seven colours,i.e VIBGYOR