Respuesta :

Under red light, the rate of photosynthesis is the fastest.

What is photosynthesis?

Photosynthesis is the process by which plants produce oxygen and energy in the form of sugar by combining sunlight, water, and carbon dioxide.

The xanthophylls and carotenes absorb both red and blue light. The absorption of blue light by xanthophylls and carotenes is greater than that of red light.

However, only red light, not blue light, is absorbed by chlorophyll. As a result, the absorbed red light is immediately used for photosynthesis.

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