Question

Photorespiration occurs in which of the following cell organelles?

• A. Mitochondria
• B. Chloroplast
• C. Peroxisome
• D. All of the above

Answer 1

Answer: (D)

All of the above

Photorespiration is the wasteful process, which results in loss of carbon dioxide fixed by plants. It occurs due to oxygenase activity of RuBisCo enzyme found in $C_3$ plants. This process occurs in chloroplast, peroxisomes and mitochondria.