All the grain legumes have a high photo respiration because of
A. C3 mechanism
B. More vegetative growth
C. Indeterminate
D. C4 mechanism
Answer: Option A
Solution(By Examveda Team)
When any photosynthetic plants yield 3-carbon acid or 3-phosphoglyceric acid (PGA) as their first product during the carbon dioxide fixation is termed as C3 mechanism and C3 plants.Most C3 plants have no special features to combat photorespiration. The first step in the Calvin cycle is the fixation of carbon dioxide by Rubisco, thus all the grain legumes have high photorespiration because of the C3 mechanism.
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