Biology
Grade-10
Easy
Question
Photosynthesis is most efficient in which colour of light?
- Red
- Blue
- Violet
- Yellow
Hint:
The color with a wavelength between 600-700 nm in visible light spectrum.
The correct answer is: Red
- VIBGYOR forms the visible spectrum and most of the colors are absorbed by the plants
- Blue and red are considered as suitable light spectrum for photosynthesis
- Blue color is absorbed by carotenoids but red color is absorbed by chlorophyll
- Green light is considered least effective for photosynthesis
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