General Knowledge

The place of origin of an earthquake beneath the Earth's surface is called the seismic focus or hypocenter. The epicenter is the point on the Earth's surface directly above the focus. Therefore, 'Seismic focus' is the correct answer.

Eskimos, also known as Inuit and Yupik peoples, traditionally inhabit the Arctic regions of North America, including parts of Alaska, Canada, and Greenland. Therefore, the correct answer is North America.

Mominul Haque was the first Bangladeshi cricketer to score a double century in Test cricket, achieving this milestone in 2017. Mohammad Mithun and Mushfiqur Rahim have not scored double centuries in Tests for Bangladesh.

The official national sport of Sri Lanka is Volleyball, recognized as such since 1991. While Kabaddi and traditional wrestling forms like Gushtigiri exist in Sri Lanka, Volleyball holds the official status as the national game. Cricket is very popular but is not the national sport, and Taekwondo is unrelated to Sri Lanka's national sports.

The national flower of Croatia is the Iris Croatica, a species of iris native to the region. This makes option B the correct answer.

Tipu Sultan, known as the 'Lion of Mysore,' was born on 30 November 1750. The given options have a slight date discrepancy, but historical records confirm 30 November 1750 as his birth date, not 21 November 1750.

The Organization of the Petroleum Exporting Countries (OPEC) was originally established in 1961 in Geneva, Switzerland, but in 1965, the headquarters was moved to Vienna, Austria. The current address of the OPEC Secretariat is Helferstorferstraße 17, A-1010 Vienna, Austria. This is confirmed by the official OPEC website and multiple authoritative sources. Therefore, the correct answer to the question about the location of OPEC headquarters is C (Austria), not B (Kuwait).

The marine ecosystem covers about 70% of the Earth's surface, making it the largest ecosystem compared to grasslands, mountains, and deserts, which occupy significantly smaller areas.

Tbilisi is the capital city of Georgia, a country located at the intersection of Europe and Asia. This is a well-known fact in geography and general knowledge.

DAS (Departamento Administrativo de Seguridad) was the intelligence agency of Colombia responsible for national security and intelligence before it was disbanded in 2011.