General Knowledge

Sost is the last town on the Karakorum Highway in Pakistan before the Chinese border, serving as a key customs and immigration point. The other options are towns in the region but are not at the border.

Pakistan Standard Time (PST) is 5 hours ahead of Greenwich Mean Time (GMT+5). This is the official time zone used throughout Pakistan.

The United Nations General Assembly proclaimed 20 December as International Human Solidarity Day in 2005 (Resolution 60/209). The first official observance of this day by the UN was on 20 December 2005, not in 2004. Therefore, options A (December 2004), B (December 2005), and C (December 2006) are incorrect as stated. The correct answer is 'D' (None of these) since the first observance was in December 2005, but the question options do not include the exact date. The original claim that the first observance was in December 2004 is inaccurate according to official UN records.

Myanmar is often called the 'Land of the Thunderbolt' due to the local name 'Myanmar' deriving from the word 'Myanma,' which is associated with thunderbolt or lightning. The other options do not accurately reflect common nicknames for Myanmar.

Giraffes do not have vocal cords and are generally considered to be mostly silent animals, unlike dogs, horses, and donkeys which all have vocal cords and can produce various sounds.

Baikonur is the world's oldest and largest operational space launch facility, established in 1955. The other options are either cities or organizations, not space stations.

Bamako is the capital city of Mali, a country in West Africa. The other options are incorrect as Bamako is not the capital of Nigeria, West Indies, or Sri Lanka.

East London is a city located in South Africa, situated on the southeast coast along the Indian Ocean. It is not a city in England, Australia, or Asia.

Reliable sources including wildlife fact sheets and conservation organizations state that beavers can hold their breath underwater for up to about 15 minutes. While they typically stay submerged for shorter periods (3 to 5 minutes), 15 minutes is the maximum breath-holding time recorded. Therefore, the correct answer is 15 minutes (option A). The previously given answer of 25 minutes is not supported by authoritative sources.

OPEC (Organization of the Petroleum Exporting Countries) is a cartel because it is a group of oil-producing countries that coordinate their production policies to control oil prices. ASEAN, NAFTA, and the European Union are economic or political organizations but not cartels.