The term "photosynthetic efficiency" refers to the ability of plants to convert sunlight into chemical energy through photosynthesis. This measures the proportion of light energy that gets transformed into biomass, specifically glucose, under optimal conditions. Factors like light intensity, wavelength, and carbon dioxide availability affect photosynthetic efficiency. Understanding this concept is essential in fields like agriculture and ecology, as improving photosynthetic efficiency can enhance crop yields and contribute to carbon sequestration, positively impacting climate change mitigation efforts.