What is stomatal apparatus? Explain the structure of stomata with a labelled diagram.
Write a note on the Ground Tissue System.
In the given figure, which component has thin outer walls and highly thickened inner walls?
...$A$... are structures present in the epidermis of leaves. They regulate process of transpiration and ...$B$... exchange. It is composed of two bean-shaped cells known as ...$C$... cells.
Choose the correct combination of $A , B$ and $C$ from the following options
The cells without nuclei are present in