PAR (Photosynthetically active radiation) designates the spectral range of solar radiation from 400 to 700 nm that photosynthetic organisms are able to use in the process of photosynthesis. Of the total incident solar radiation the proportion of PAR is less than 50%.
Of the total incident solar radiation the proportion of PAR is
NEET UG 2011 — Botany Ecosystem
2011mcqmedium
Of the total incident solar radiation the proportion of PAR is
Official previous-year question
Held on 30 Apr 2011 · Verified 9 Jul 2026.
Options
- A
about 60%
- B
less than 50%
- C
more than 80%
- D
about 70%
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