World Facts and Geography

Correct option is (1).

The Large Hadron Collider (LHC) is the world's largest and most powerful particle collider. It is located at CERN (European Organization for Nuclear Research), which is situated near Geneva on the French-Swiss border. The LHC was successfully tested in 2008 and began operation later that year.

Asia is the largest continent on Earth by both land area and population. It covers approximately 30% of Earth's total land area and is home to about 60% of the world's population. Option A is correct. Africa is the second-largest, followed by North America.

Antarctica is known as the White Continent due to its vast ice sheets covering approximately 98% of the continent, giving it a predominantly white appearance. Australia is known as the Island Continent, North America and Asia are not specifically referred to as the White Continent. Antarctica's ice cover is the thickest on Earth, contributing to this designation.

Correct answer is (3). 

The Ural Mountains form a natural border between Europe and Asia within the Russian Federation. They run north-south through Russia and do not appear in the USA, Japan, or Canada.

The United States shot down a defunct spy satellite in February 2008 using a Navy missile. The operation was described as a safety measure to destroy the satellite's toxic fuel tank before it could re-enter the atmosphere.

India had the largest area under Bt Cotton cultivation in 2007, with 6.2 million hectares. India became the world's largest cotton producer that year and is the 5th largest grower of GM crops overall by area.

Africa was historically called the 'Dark Continent' by European explorers due to its relative mystery and unexplored interior to them at the time. This term is now considered outdated and problematic. Australia, America, and Asia were not referred to by this name.

Zaire (spelled 'Jaire' in this question, appears to be a typo) was the old name of the Democratic Republic of the Congo from 1971-1997 under Mobutu Sese Seko's rule. The country reverted to 'Democratic Republic of Congo' after his overthrow.

APEC is a group of 21 countries. APEC is short for Asia Pacific Economic Cooperation. This group of countries spans half the surface of Earth and are home to 2/5^th of the world’s population. Indian request for membership is pending.