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NTA Abhyas NEET2020BotanyEcosystemPractice

Of the total incident solar radiation, the proportion of PAR is

Options

  1. AAbout 60%
  2. BLess than 50%
  3. CMore than 80%
  4. DAbout 70%

Correct answer

B. Less than 50%

Step-by-step solution

Of the total incident solar radiation only less than 50% is photosynthetically active radiation and only 2 - 10 % of which is used up by plants in photosynthesis.

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