Correct Answer : Indian Ocean
The Indian Ocean consists of one gyre, the Indian Ocean (Majid) Gyre, which exists mostly in the Southern Hemisphere. It is named after Ahmad Bin Majid, the 15th-century Arab mariner. Following shows the Oceans and their respective Gyres
* Indian Ocean - Majid Gyre
* North Atlantic Ocean - Columbus Gyre
* South Atlantic Ocean - Prince Henry Gyre
* North Pacific Ocean - Turtle Gyre
* South Pacific Ocean - Heyerdahl Gyre