UPSC CDS 2 2022 GK Paper

Question : 79 of 120

Marks: +1, -0

Which one of the following statements about the process of photosynthesis is correct?

Light energy is directly converted to kinetic energy which oxidizes carbon dioxide.
Light energy is directly converted to chemical energy which causes reduction of water.
Chlorophyll absorbs the chemical energy of light which causes oxidation of carbon dioxide.
Chlorophyll absorbs light energy which causes splitting of water molecules and reduction of carbon dioxide

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