Plants are classified into C3 and C4on the basis of
A
Leaf anatomy
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B
Number of cotyledons
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C
First CO2 fixation product
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D
Metabolism in the mesophyll cells of leaves
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Solution
The correct option is CFirst CO2 fixation product In C3 plants ,3-phosphoglycerate (3-PGA)is the first stable product and is a C3 compound andin C4 plants it is Oxaloacetate (OAA), a four carbon compound.