why are plants green? multiple choice they absorb only green wavelengths of light. they absorb only yellow and blue wavelengths of light, which when mixed within the leaf, give plants their characteristic green color. they reflect all of the ultraviolet wavelengths and absorb all of the visible light spectrum. they reflect green wavelengths of light and absorb other colors of the visible light spectrum. they reflect the colors of the visible light spectrum and absorb all of the wavelengths associated with the ultraviolet spectrum.