Which among the following is incorrect about anatomy in a monocot leaf?

• A. Stomata is present both on abaxial and adaxial epidermis
• B. Mesophyll is well differentiated into Palisade and spongy parenchyma cells
• C. Vascular bundles are seen in veins and mid-rib and are surrounded by thick walled bundle sheath
• D. Most of the cells are parenchyma cells