Which of the following is a characteristic feature of epithelial tissue?

Match the following:

Column-$I$	Column-$II$
$1$. Cuboidal epithelium	$a$. The moist surface of buccal cavity and pharynx
$2$. Columnar epithelium	$b$. Inner surface of fallopian tubes
$3$. Ciliated epithelium	$c$. In ducts of glands
$4$. Compound epithelium	$d$. Air sacs of lungs
	$e$. In the lining of stomach and intestine

Identify the given diagram of tissue performing secretion and absorption.

Where is the brush-bordered epithelium found?

Choose the correct sentences for compound epithelium:
$(I)$ Compound epithelium is made of multi-layered cells.
$(II)$ It has a limited role in secretion and absorption.
$(III)$ It provides protection against chemical and mechanical stresses.
$(IV)$ It is present in $PCT$.

In which one of the following preparations,cell junctions come across most frequently?