NEET 2021 Biology Paper

• When the cells of medullary rays differentiated, they give rise to the new cambium called interfascicular cambium.
• Loose parenchyma cells rupturing the epidermis and forming a lens-shaped opening in bark are called complementary cells.
• Large colourless empty cells in the epidermis of grass leaves are called bulliform cells.
• In dicot leave, vascular bundles are surrounded by large thick walled cells called bundle sheath cells.