Role of opposition parties: 1. The opposition is formed by the parties that lose in the elections. 2. They put forward different opinions on the political issues and people's demands. 3. It criticises the government in case of any failures or policies that have negative effects. 4. They mobilize opposition against the government based on the shortcomings of the government and needs of the people. 5. It acts as a constant check and critique of the ruling government.