What is the epithelial layer of the cornea made of?

Identify the diagram and find the correct answer $:-$

The inner lining of blood vessels is known as:

The epidermis of the skin is derived from which germinal layer?

$A$ student was given a sample of tissue. He observes and concludes the following characters.
$(i)$ The cells are composed of a single layer of tall and slender cells.
$(ii)$ Their nuclei are located at the base.
$(iii)$ Free surface may have microvilli.
$(iv)$ It is found in the lining of stomach and intestine.
$(v)$ They help in secretion and absorption. Based on the above features identify the epithelium.

The mucosal lining of the oesophagus of mammals is made up of