Which protective tissue is present in our skin?

Choose the correct option based on the given characteristics:
$1$. Function: Move particles in a specific direction.
$2$. Location: Present on the inner surface of hollow organs.

Goblet cells (mucus-secreting cells) are:

Simple columnar epithelium is composed of a single layer of __ $(A)$ __ cells. Whose nuclei are located at the __ $(B)$ __ . Choose the correct option $:-$

The ciliated columnar epithelial cells in humans are known to occur in

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