The germinal layer of keratinized stratified squamous epithelium is:

The four sketches $(A, B, C$ and $D)$ given below represent four different types of animal tissues. Which one of these is correctly identified in the options given,along with its correct location and function?

$A$: Gap junctions connect the cytoplasm of adjoining cells.
$R$: Gap junctions facilitate the cells to communicate with each other.

Which type of epithelium is elastic and waterproof?

In which of the following are columnar epithelial cells with microvilli or a brush-like border found?

Match the terms given in column-$I$ with their feature given in column-$II$ and choose the correct option.

Column-$I$ (Terms)	Column-$II$ (Features)
$A$. Exocrine gland	$I$. They help to stop substances from leaking across a tissue
$B$. Endocrine gland	$II$. Hormones are secreted directly into the fluid bathing the gland
$C$. Tight junctions	$III$. They perform cementing to keep neighbouring cells together
$D$. Adhering junctions	$IV$. Secretes mucus,saliva,earwax,oil,milk,digestive enzymes and other cell products