Important Questions Test: Major Domains Of The Earth - UPSC MCQ

The correct answer is C: Antarctica.

• The Indian, Pacific, and Atlantic are all major oceans on Earth, covering vast areas of the planet's surface.
• Antarctica, on the other hand, is a continent located at the southernmost part of the Earth, surrounding the South Pole.
• While there is a Southern Ocean that borders Antarctica, Antarctica itself is not an ocean but a landmass covered mostly by ice.

Old NCERT

The Arctic Circle passes through parts of Europe, specifically through countries like Norway, Sweden, Finland, and Russia. This is the most northerly of the major circles of latitude on Earth's maps.

Therefore, Correct Answer : Option D

Mount Everest is called the world's highest mountain because it has the "highest elevation above sea level." We could also say that it has the "highest altitude." The peak of Mount Everest is 8,850 meters (29,035 feet) above sea level. No other mountain on Earth has a higher altitude.

While large parts of South America, Africa and Asia are located in the Southern Hemisphere, the only two continents whose entire territory is south of the Equator are Australia and Antarctica.

The hydrosphere refers to all the water found on, under, and above the surface of a planet. Unlike the troposphere, thermosphere, and mesosphere, which are layers of the atmosphere, the hydrosphere is not an atmospheric layer. It encompasses all forms of water—liquid, ice, and vapor—encompassing oceans, lakes, rivers, underground water, and atmospheric moisture.

 Therefore, Correct Answer - Option A

Old NCERT

Australia is the smallest continent in the world, while also being the largest island. It is approximately two times larger than India.

Therefore,Correct Answer - Option D

The hydrosphere includes all forms of water on Earth, such as rivers, ice sheets, and oceans. Rocks, however, are part of the lithosphere, not the hydrosphere.
Therefore, Correct Answer- Option D

Old NCERT

The Atlantic Ocean is the second largest ocean in the world and is described as being 'S' shaped. It has a highly indented coastline that provides ideal locations for natural harbours and ports, making it the busiest ocean in terms of commerce.

Therefore, Correct Answer- Option C

Africa is the second largest continent after Asia.
The Equator or 0⁰ latitude runs almost through the middle of the continent. A large part of Africa lies in the Northern Hemisphere.
Therefore, Correct Answer- Option A

Earth is well equipped as a planet and ideally placed in our solar system and galaxy to support life as we know it.

The Isthmus of Panama is the narrow strip of land that connects North America and South America. This isthmus includes the country of Panama and features the Panama Canal, which links the Atlantic and Pacific Oceans.
Therefore, Correct Answer- Option D

Northern Hemisphere: North America is located above the equator.
Western Hemisphere: The continent is west of the prime meridian, which runs through Greenwich, England.
These hemispheres include regions such as the United States, Mexico, and Canada, positioning North America primarily in the Northern and Western Hemispheres.

Therefore, Correct Answer- Option D

The equator passes through S. America, Asia and Africa. The three of them technically lie on both sides of the equator. Although, Africa is almost divided into two meredional halves by the equator, ensuring that a large area of Africa would lie in the tropics.

The Indian Ocean is unique because it is the only ocean named after a country, India. It is almost triangular in shape, bounded by Asia to the north, Africa to the west, and Australia to the east.
Therefore, Correct Answer - Option C

The longest river that flows through Africa is the Nile. It is one of the most famous and significant rivers in the world, with a rich history and cultural significance.