Plants capture __________ of the photosynthetically active radiation (PAR) to sustain the entire living world.
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Only 2 to 10 percent
The sun is the source of energy for almost all ecosystems. Less than 50 per cent of the sunlight that falls on the earth is photosynthetically active radiation (PAR), the part plants can use for photosynthesis. Of this PAR, plants capture only 2-10 per cent. This small amount of energy supports the entire living world.
NCERT Extract:
Energy Flow –
