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Photosynthetically least efficient radiation is

Photosynthetically least efficient radiation is

Options

(a) blue
(b) yellow
(c) green
(d) red

Correct Answer:

green

Explanation:

In light spectrum blue and red regions are most effective in photosynthesis. Blue wavelengths of light carry more energy while red wavelengths have lesser energy. Therefore, the most efficient wavelengths of light effective in photosynthesis are those of red light. Green light is the least effective in photosynthesis.

ML2005
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