Girth of stem increases due to

$(i)$ 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.

Name the region of the plant where meristematic tissues are usually found. Give the position and function of various types of meristematic tissue.

What is the difference between sclerenchyma and collenchyma?

In desert plants,the rate of water loss is reduced due to the presence of:

Answer the following:
$(i)$ How is the epidermis of plants living in very dry habitats adapted?
$(ii)$ Write the functions of guard cells of stomata in the leaf.