State one important function of each of the following:
$(a)$ Areolar tissue
$(b)$ Cuboidal epithelium

$(a)$ Why is connective tissue called so?
$(b)$ What is the function of the areolar connective tissue?
$(c)$ Which substance is present in the adipocyte? How does it help?

Cork cells are made impervious to water and gases by the presence of

$(i)$ Draw a diagram of the epidermis of a leaf showing the surface view and label the stomata,guard cells,and epidermal cells.
$(ii)$ Answer the following:
$(a)$ How is the epidermis of plants living in very dry habitats adapted?
$(b)$ Write the functions of guard cells of stomata in the leaf.

List the characteristics of cork. How are they formed? Mention their role.

$(a)$ Identify the given figures.
$(b)$ State in brief their structure.
$(c)$ Describe the role performed by the two.