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Question
In the higher plants, which region of visible light shows maximum absorption by carotenoids?
In the higher plants, which region of visible light shows maximum absorption by carotenoids?
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Solution
The correct option is D Blue and green
An absorption spectrum shows the ability of a substance to absorb light of a particular wavelength. The absorption spectrum is of utmost importance in photosynthesis as the light-absorbing pigments like chlorophyll a and chlorophyll b are critical for the photosynthesis to run efficiently and it is used to study the wavelength of light that each pigment absorbs maximum.
As shown in the graph, chlorophyll a and chlorophyll b shows maximum absorption in the blue-red region of the light spectrum while carotenoids absorb maximum light in the blue-green region and violet region. Chlorophyll appears green in color as neither chlorophyll a nor b absorbs green light.
An absorption spectrum shows the ability of a substance to absorb light of a particular wavelength. The absorption spectrum is of utmost importance in photosynthesis as the light-absorbing pigments like chlorophyll a and chlorophyll b are critical for the photosynthesis to run efficiently and it is used to study the wavelength of light that each pigment absorbs maximum.
As shown in the graph, chlorophyll a and chlorophyll b shows maximum absorption in the blue-red region of the light spectrum while carotenoids absorb maximum light in the blue-green region and violet region. Chlorophyll appears green in color as neither chlorophyll a nor b absorbs green light.
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