Sindhi is considered one of the oldest regional languages of Pakistan with ancient roots traceable back to the Indus Valley Civilization era.

Operation Neptune Spear was carried out by US Navy SEALs in Abbottabad, Pakistan, on May 2, 2011.

Zakat is the third pillar of Islam (the compulsory almsgiving), so Zakat is the correct answer.

Duplicate of Q27. 2011 mission (CIA).

Operation Neptune Spear was the 2011 mission that killed Osama bin Laden, per US military records (e.g., CIA reports).

Originally named the Organization of the Islamic Conference in 1969, its name was officially changed to Organization of Islamic Cooperation in 2011.

As of early 2007 (the year of this paper), Ban Ki-moon of South Korea was the UN Secretary-General. He assumed office on January 1, 2007, succeeding Kofi Annan [1, p5]. His first term ended in 2011, and he was re-elected for a second term.

As of 2009, Sudan (before the secession of South Sudan in 2011) was the largest country in Africa by land area [2, p26]. After South Sudan's independence, Algeria became the largest African country.

As of early 2011, when this paper was likely set, Pakistan had served as a non-permanent member of the UN Security Council six times. These terms were: 1952–1953, 1968–1969, 1976–1977, 1983–1984, 1993–1994, and 2003–20042. Pakistan was later elected for a seventh term (2012-2013).

China has been the world's largest emitter of carbon dioxide (CO2) for several years, including around 20112. The country's rapid industrialization and reliance on coal have contributed significantly to its emissions.