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).