Tag: major domains of the earth

Questions Related to major domains of the earth

Which one of the following is the largest ocean?

  1. Arctic Ocean

  2. Atlantic Ocean

  3. Indian Ocean

  4. Pacific Ocean


Correct Option: D
Explanation:
  • The Pacific Ocean is the largest of the world's five oceans, followed by the Atlantic OceanIndian Ocean, Southern Ocean, and Arctic Ocean.
  •  It covers an area of about 155 million square kilometers (about 60 million square miles).
  • The Pacific Ocean is the largest and deepest of the world ocean basins.
  • It covers around a third of the Earth's total area, more than all the land in the world.

The diameter of earth is _____________.

  1. $12,756\ kms$

  2. $14,000\ kms$

  3. $40,000\ kms$

  4. $11,000\ kms$


Correct Option: A
Explanation:
  • The diameter of the earth at the equator is 12756 km, thus the option A is the correct answer. 

Which of the following statements is wrong?

  1. Absolute humidity is expressed in grams per cubic metre of air

  2. 1$^o$C of temperature is reduced with every 165 metres of height

  3. When the temperature of air increases, its capacity to hold moisture decreases

  4. The higher the temperature the lower is the air pressure


Correct Option: C

The gaseous envelop of the earth which consists of mixture of gases and water vapours is called ______________.

  1. Troposphere

  2. Stratosphere

  3. Lithosphere

  4. Atmosphere


Correct Option: D