Consider the following countries:
1. Indonesia
2. Japan
3. Mauritius
4. Madagascar
Which among the above is / are geographically Archipelagos?

Answer: [C] Only 1, 2 & 3

Madagaskar is a single island.

http://en.wikipedia.org/wiki/List_of_island_countries

This question is a part of GKToday's Integrated IAS General Studies Module