World Facts and Geography

The United States is India's largest export market for gems and jewelry in value terms. The USA has historically been the top destination for Indian gems and ornaments due to high demand from Indian diaspora and American consumers. Britain (UK) and other countries are significant markets but smaller than the USA in terms of export value.

The United Nations University (UNU) headquarters is located in Tokyo, Japan. It was established in 1973 and is the academic arm of the United Nations system.

 Norway

The USA has the maximum external debt among the listed countries, with over $30 trillion in external debt. This reflects both the size of the US economy and the dollar's role as global reserve currency.

Africa covers approximately 20% of Earth's total land area, making it the second-largest continent. This includes both mainland Africa and its surrounding islands.

Liberia released its last Ebola patient in March 2015. The country was the hardest hit by the West African Ebola outbreak, with over 10,000 cases. Being declared Ebola-free was a major milestone for Liberia.

Option (4) is the correct answer.

Angola became the newest member of OPEC when it joined in 2007, making it the last member at that time. Angola is a major oil producer in Africa and sought OPEC membership to influence oil production quotas and prices. OPEC membership has since expanded further.

Ecuador was a founding member of OPEC in 1960 but suspended its membership in 1992, then rejoined in 2007. The question refers to Ecuador's first departure. Ecuador initially left because it disagreed with OPEC production quotas that constrained its oil production.

The G-8 (Group of Eight) consists of Canada, France, Germany, Italy, Japan, Russia (suspended), UK, and USA. India is not a member of the G-8. India participates in the G-20, which includes emerging economies, while G-8 was limited to major industrialized democracies.

The 2009 G-8 summit was held in L'Aquila, Italy. This summit addressed the global financial crisis, climate change, and food security. The location changes annually among member countries. The question uses future tense but refers to a past event.

Bhilai Steel Plant in Chhattisgarh was established in 1959 with technical and financial assistance from the Soviet Union (Russia). It was one of the first modern steel plants built in independent India as part of the Second Five Year Plan. The collaboration with USSR included technology transfer, expert support, and machinery supply, making it a symbol of Indo-Soviet friendship.

Correct option is (4).

Correct option is (2).