Q. Which among the following country owns the firsty permanent base in the area at Antarctica defined by the Antarctic Treaty System? 
Answer: Argentina
Notes: The correct answer is Argentina. Argentina established the first permanent base in Antarctica, called Orcadas Base, in 1904. This was well before the Antarctic Treaty System was established in 1961, which governs international relations regarding Antarctica. The treaty promotes scientific cooperation and prohibits military activity on the continent. Argentina has a long-standing presence in Antarctica, with multiple research stations, reflecting its territorial claims in the region.