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SSC :: SSC CHSL General Awareness

SSC CHSL » General Awareness » General Questions - Discussion

1 .

Which one of the following colours of light is strongly absorbed by plants?

[ A ]    Violet and orange
[ B ]    Blue and red right
[ C ]    Violet and yellow
[ D ]    Yellow and violet
Answer : Option B
Explanation :
Photosynthesis occurs between wavelengths of about 400 nm and 750 nm. Red and blue colour wavelength is categories in this wavelength. So, plants absorb these colours. Photosynthesis does not occur in the infra-red or in ultraviolet light
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