hair present in skin are
a epidermal in origin and made of dead cells
b epidermal in origin and made of living cell
​c dermal in origin and made of living cell
d dermal in origin and made up of dead cell

The correct option is a.

The hair is epidermal in origin and made up of dead cells. The hair is present in a pit that is formed by sinking of epidermis into dermis. Only follicular cells of hair are living, rest of the hair is dead.