Approximately how much of the solar energy that falls on the leaves of a plant is converted to chemical energy by photosynthesis?

Options

A. less than 1%
B. 2-10%
C. 0.3
D. 0.5

Answer

b

Explanation

Sun is the ultimate source of energy in all ecosystems except deep hydrothermal ecosystem. Of the incident solar radiation (less than 50% is Photosynthetically Aetive Radcation (PAR) and about 2-10% or 1-5% of solar incident energy is captured by the autotrophs and is converted to chemical energy by the process of Photo Synthesis.