Ecosystem Question 12
12. Of the total incident solar radiation the proportion of PAR is :
(a) about $70 %$
(b) about $60 %$
(c) less than $50 %$
(d) more than $80 %$
Show Answer
Answer : c
Hints & Solutions
(c) Out of total incident solar radiation, about $50 %$ of it forms Photosynthetically Active Radiation (PAR).