Chlorophylls are the natural photosynthetic pigments that make sugars by absorbing the sunlight. In the visible range of the spectra, it absorbs blue and red colors the most. Thus, option B is correct.
The visible spectrum is a range of the lights visible to human eyes, and the wavelength ranges from 380 to 700 nanometers. Chlorophyll being a photosynthetic pigment absorbs the visible light to make food.
The plant leaves absorb the blue and red light in the visible range and convert the light energy into sugar and oxygen with the help of carbon dioxide.
Therefore, red and blue light have a high photosynthetic rate.
Learn more about visible light here:
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