The dividing cells at the tip of root and stem are known as?

$(a)$ Differentiate between meristematic and permanent tissues in plants.
$(b)$ Define the process of differentiation.
$(c)$ Name any two simple and two complex permanent tissues in plants.

Which is not a function of epidermis?

Flexibility in plants is due to

Which is not a function of epidermis?

State whether the following statement is true or false:
In aquatic plants,large air cavities are present in parenchyma to give buoyancy to the plants to help them float.