alleryWhich colour of light is absorbed least by chlorophyll?
ARed light, used most efficiently
BGreen light, which is mostly reflected
CBlue light, used most efficiently
DViolet light, used most efficiently
Answer & Solution
Correct answer: B. Green light, which is mostly reflected
1. Chlorophyll absorbs red and blue strongly.
2. Green light is largely reflected and transmitted.
3. The reflection is why leaves look green.
4. So green is the least absorbed colour.
_Source: Selina Concise Biology Class 10, Ch on Photosynthesis (Mistral OCR'd PDF), section on absorption spectrum_
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