Q. For what conditions Proportional representation is NOT necessary in a country?
Answer: a two-party system has developed
Notes: The main purpose of the proportional representation system is to assure the representation of all groups and ideologies. So, it is usually adopted in a multi-party system representing multiple ideologies.
 In a two party system, the seats are ultimately going to be divided between the two parties and there is negligible chance of leaving out a group as compared to the multi-party system.
So, first past the post can be adopted in two party system, avoiding the complexities of proportional representation.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 48 in 48. Socio-economic Issues MCQs for SSC Examination in above course in App.