Home Biology Ecosystem Previous Year Questions Of the total incident solar radiation the pr…
Biology Ecosystem Previous Year Questions Single Correct MCQ
Published on: August 13, 2026

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%

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The correct answer is:
C

Photosynthetically Active Radiation (PAR) makes up less than 50% of the total incident solar radiation, typically in the range of about 45–50%.

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