Maximum photosynthesis activity takes place in

Options

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

Correct Answer:

red light

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.