During phenomenon of photorespiration the oxygen consuming steps occurs at

Chloroplast and mitochondria

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Mitochondria and peroxisome

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Peroxisome and chloroplast

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Only chloroplast

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Solution

The correct option is D Peroxisome and chloroplast

The initial oxygenation reaction by RuBiSCO occurs in the chloroplast. This is where O $_{2}$ is consumed by photorespiration. The 2-phosphoglycolate that is formed is dephosphorylated and exported as glycolate to the peroxisome. The glycolate is then converted to glyoxylate. This reaction consumes O $_{2}$ and generates hydrogen peroxide.
So, the correct option is 'Peroxisome and chloroplast'.

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