Why Do Red and Blue Light Drive Photosynthesis More Effectively

Question

Why do red and blue light drive photosynthesis more effectively than green light?
A) because chlorophyll cannot absorb red and blue light
B) because chlorophyll can absorb green light
C) because chlorophyll can absorb red and blue light
D) because chlorophyll cannot absorb green light

Accepted Answer

DChlorophyll, the pigment responsible for photosynthesis, absorbs light most efficiently in the red and blue parts of the spectrum and reflects green light, which is why plants appear green. This makes red and blue light more effective for photosynthesis than green light.