Photosynthesis Explained • Class 9 Science • NCERT • CBSE
Photosynthesis is the process by which green plants make their own food using sunlight, carbon dioxide, and water. The equation is: 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂. Chlorophyll in leaves absorbs sunlight to power this reaction.
6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂ (Photosynthesis equation)
H₂O → 2H⁺ + ½O₂ + 2e⁻ (Photolysis of water)
Chlorophyll absorbs red (680 nm) and blue (430 nm) light
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