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Photorespiration is also known as ------pathway
1 $\mathrm{C}_{2}$
2 $\mathrm{C}_{3}$
3 $\mathrm{C}_{4}$
4 Carbon reduction
Explanation:
A Photorespiration (also known as the oxidative photosynthetic carbon cycle or $\mathrm{C}_{2}$ cycle) refers to a process in plant metabolism where the enzyme RuBisCO oxygenates RuBP wasting some of the energy produced by photosynthesis. $\mathrm{C}_{3}$ cycle is also known as calvin cycle. $\mathrm{C}_{4}$ cycle is also known as Hatch and slack cycle. Carbon reduction cycle is known as $\mathrm{C}_{3}$ cycle.