Question

What is Photorespiration.Explain briefly

Answer 1

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• Photorespiration is a process which involves Fixed Carbon in the Form of Carbon dioxide (CO₂).

• It usually occurs in the Presence of Light & Initiated or started in Chloroplast.

• Usually this Peocess is called Wasteful process as it Doesn't produces ATP or NADPH.

• It (Photorespiration) usually occurs when there is High concentration of oxygen.

• There is No synthesis of Glucose(Sugar) molecule or ATP molecule.

• Rather, it utilises ATP and releases Carbon dioxide (CO₂).

• At almost it leads to 25% loss in The fixed CO₂.

• It (Photorespiration) is also known as C₂ cycle.

• Photorespiration involves Three organelles I.e. Chloroplast, Peroxisomes & Mitochondria.

• During Photorespiration Loss of CO₂ occurs in Mitochondria.

• Photorespiration usually occurs in C₃ plants and Doesn't occur in C₄ Plants .

Answer 2

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Photorespiration is a process which involves Fixed Carbon in the Form of Carbon dioxide (CO₂).