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

Category: QuestionsWhat percent of the incident solar radiation is photosynthetically active radiation (PAR)?
Editor">Editor Staff asked 3 months ago

What percent of the incident solar radiation is photosynthetically active radiation (PAR)?
 
(a) 100%
 
(b) 85%
 
(c) 20%
 
(d) 50%
 
I got this question during an interview for a job.
 
This intriguing question comes from Ecosystem topic in section Ecosystem of Biology – Class 12

1 Answers
Editor">Editor Staff answered 3 months ago

Correct answer is (d) 50%
 
To elaborate: Almost less than equal to the 50% of the incident solar radiation is photosynthetically active radiation (PAR). It ranges from 400nm to 700nm.