Question

percent of Sun's energy is actually fixed by plants.

• A. 1-3
• B. 10-15
• C. 30-35

Answer 1

The correct option is A 1-3

Of all the Sun's energy which is incident on earth, only 1% is used by plants for photosyntheis. Remaining energy is either reflected back (30%), converted into heat (50%) or lost due to evaporation (19%).