Exemplar Problems

Question:

Which property of the pigment is responsible for its ability to initiate the process of photosynthesis? Why is the rate of photosynthesis higher in the red and the blue region of the spectrum of light?

Answer:

Photosynthetic pigments are substances that have an ability to absorb light, at specific wavelengths. Chlorophyll a is the major pigment involved in photosynthesis. This pigment show maximum absorption in the red and blue region of the visible spectrum, thus the rate of photosynthesis is higher in the red and blue region of the spectrum of light.

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