Photosynthetically active radiation is :
(
This question was previously asked in
Shift 07/06/2023 3:30 PM - 6:30 PM
A
Incident solar radiations.
B
Part of incident solar radiations.
C
Green and Yellow light of visible spectrum only.
D
All radiations that are allowed by ozone through stratosphere to reach earth's surface.
Correct Answer
Part of incident solar radiations.
Detailed Explanation
Of the incident solar radiation less than 50% of it is photosynthetically active radiation (PAR). Plants capture only 2-10 % of the PAR and this small amount of energy sustains the entire living world.
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