Which one of the following is not a function of chlorophyll?
Splitting of water
Absorption of photon
Oxidation of carbohydrate
Conversion of light energy into chemical energy
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UPSC CAPF – 2021
Chlorophyll is the primary pigment involved in photosynthesis in plants, algae, and cyanobacteria. It is located in chloroplasts and absorbs light energy necessary for the process.
Chlorophyll’s main functions in photosynthesis include the absorption of light energy (photons), initiation of the light-dependent reactions which include the splitting of water molecules (photolysis) to produce oxygen, protons, and electrons, and facilitating the conversion of light energy into chemical energy in the form of ATP and NADPH. The oxidation (breakdown) of carbohydrates, such as glucose, to release energy (ATP) is the process of cellular respiration, which occurs in mitochondria (or cytoplasm/cell membrane in some organisms) and is distinct from the function of chlorophyll and photosynthesis.