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An Initiative by: Kausik Chakraborty.
Daily Current Affairs, News Headlines 15.04.2024🌸MCQs on Baishakhi🌸Significance of Kumkum in Hinduism🌸108 Different Names of Lord Hanuman🌸Difference: Bhadraksha and Rudraksha🌸Daily Current Affairs, News Headlines 12.04.2024🌸Festivals of India: MCQs🌸Daily Current Affairs, News Headlines 11.04.2024🌸Books & Authors MCQs for All Competitive Exams🌸MCQ on Research Methodology🌸MCQ on Human Liver🌸Daily Current Affairs, News Headlines 3.04.2024🌸Daily Current Affairs, News Headlines 2.04.2024🌸Daily Current Affairs, News Headlines 1.04.2024🌸Daily Current Affairs, News Headlines 31.03.2024🌸Daily Current Affairs, News Headlines 30.03.2024🌸Daily Current Affairs, News Headlines 28.03.2024🌸Daily Current Affairs, News Headlines 29.03.2024🌸Daily Current Affairs, News Headlines 27.03.2024🌸WHAT ARE ZODIAC SIGNS?

“The Knowledge Library”

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An Initiative by: Kausik Chakraborty.

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What causes flowers to have different colors?

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What causes flowers to have different colors?

Answer

Anthocyanins and carotenoids… plus some other things.

Flowers come in all shapes and sizes, but what makes them truly stand apart from each other is their vibrant colors.  These colors are made up of pigments and, generally speaking, the fewer the pigments, the lighter the color.  The most common pigments in flowers come in the form of anthocyanins.  These pigments range in color from white to red to blue to yellow to purple and even black and brown.  A different kind of pigment class is made up of the carotenoids.  Carotenoids are responsible for some yellows, oranges, and reds.  (These little guys are what cause the brilliant colors of autumn leaves!)  While many flowers get their colors from either anthocyanins or carotenoids, some can get their colors from a combination of both.
Anthocyanins and carotenoids are the main sources of flower coloration, but there are other factors that can affect how colors present themselves.  The amount of light flowers receive while they grow, the temperature of the environment around them, even the pH level of the soil in which they grow can affect their coloration.  Another factor is stress from the environment.  This stress can include a drought or a flood or even a lack of nutrition in the soil, all of which can dampen the coloration of flowers.  And then, of course, there is the visual that the eye and brain form together: humans can, for the most part, view all colors in the visible spectrum, BUT every human perceives color differently, so a red rose may appear more vibrant to one person while it appears more muted to another.  Beauty (and color!) is in the eye of the beholder.

 

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