NEET Botany Food Chains & Webs MCQ Question
If 1000 units of solar energy are incident on a terrestrial ecosystem, how many units of energy are captured by plants as photosynthetically active radiation (PAR)?
200-500 units
100-200 units
500-600 units
600-700 units
Correct Answer
Detailed Explanation
The NCERT context states that less than 50% of incident solar radiation is photosynthetically active radiation (PAR). Therefore, 200-500 units of 1000 units are captured as PAR.
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