Question

in course of time Monarch is replaced by democracy is give reasons

Answer 1

Depends on the kind of monarchy and the kind of republic. A dictatorship could be placed in a republic and a great parlamentarism could exist in a monarchy. Although I don't thing a king or a queen who inherited the throne can govern democratically been a representative of the country administration. Why? Because people in this system people shall not choose the executive power.

Answer 2

Explanation:

Democracy is a form of government in which the people have the authority to choose their governing legislation. ... A monarchy is a form of government in which a person, the monarch, is the head of state for life or until abdication.