What is the percentage of photosynthetically active radiation (PAR) in the incident solar radiation?

Question

What is the percentage of photosynthetically active radiation (PAR) in the incident solar radiation? A. 100% B. 50 % C. 1-5% D. 2-10%

Philoid · Accepted Answer

B: 50%

Photosynthetically Active Radiation (PAR) is the light wavelength range that is best fit for photosynthesis to occur.