The main significances of Photosynthesis are:
- It is the only process by which organic food can be prepared from the inorganic compounds in the presence of light, chlorophyll, and carbon dioxide.
- It helps to absorption of atmospheric carbon dioxide with the evolution of O2.
- It helps to reduce global temperature by reduction of CO2 from the atmosphere.
- All fossils’ fuels like coal, petroleum, gases, etc. are photosynthetic products.