Assertion: Leaf of a grass can be torn vertically into two or more pieces with smooth margins.
Reason : Grass is a monocot and has parallel venation.
A leaf with reticulate venation can not be torn in to pieces with smooth margins as the venation is in the form of net work due to anastomosis of veinlets. A leaf with parallel venation is can be cut either vertically as in grasses or transversely as in banana into pieces with smooth margins as the venation is parallel.
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Statement A: Veins provide rigidity to lamina.
Statement B: Veins act as channels for the transport of water, minerals and photosynthates.
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