alleryPlants capture what share of photosynthetically active radiation?
A70 to 90 per cent
B2 to 10 per cent
C20 to 40 per cent
D50 to 60 per cent
Answer & Solution
Correct answer: B. 2 to 10 per cent
1. Only a small slice of the incoming light is used.
2. Yet it supports the entire living world.
3. Plants capture only 2 to 10 per cent of the PAR.
4. So the answer is 2 to 10 per cent.
_Source: syllabus Biology, Ch 12 'Ecosystem'_
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