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%

Answer 1

d). 2-10% is the percentage of par

Answer 2

Answer:

(b) 50 %

Photosynthetically active radiation or PAR constitutes about 50% of the total incident solar radiation.