Question : By looking at a plant externally can you tell whether a plant is C_(3) or C_(4) ? Why and how ?

Question : By looking at a plant externally can you tell whether a pla

1.	Question : By looking at a plant externally can you tell whether a plant is C_(3) or C_(4) ? Why and how ?
Answer» Solution :If the leaf has reticulate VENATION then it is a `C_(3)` PLANT and if the leaf has PARALLEL venation it is a `C_(4)` plant.