Tag: earth and structure

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Questions Related to earth and structure

Multiple choice geography earth as a planet atmosphere and its structures what is around us? the atmosphere the earth's structure components of earth earth and structure

Because of the compressibility of air, more than $50$% of the mass of the atmosphere is in its _________________.

  1. Lower $3.6$ miles
  2. Below $18$ mile level
  3. Beyond $18$ mile level up to $40$ miles
  4. Beyond $40$ miles
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Due to gravity, air is most dense near the surface. More than 50% of the Earth's atmospheric mass is concentrated within the first 5-6 kilometers (roughly 3.6 miles) of altitude.

Multiple choice geography earth as a planet atmosphere and its structures what is around us? the atmosphere the earth's structure components of earth earth and structure

Which of the following layers of atmosphere contains the electrically charged particles and reflects the ratio waves back to the earth's surface to make wireless communication possible?

  1. Troposphere

  2. Stratosphere

  3. Ionosphere

  4. Exosphere
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The ionosphere contains ionized particles that reflect radio waves, which is essential for long-distance wireless communication.

Multiple choice geography earth and biosphere atmosphere and its structures what is around us? the earth's structure components of earth earth and structure

Biosphere is existing because the interaction of ___________.

  1. lithosphere

  2. atmosphere

  3. hydrosphere

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The biosphere is the global sum of all ecosystems, representing the zone of life on Earth. It exists due to the complex interaction between the lithosphere (land), atmosphere (air), and hydrosphere (water).

Multiple choice geography interior of the earth the earth's structure components of earth earth and structure

 _____ is the model of the earth. 

  1. Globe

  2. Satellite

  3. Universe

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A 3-dimensional model of the Earth is called globe. We cannot see the Earth all of it at once as it is so large. So, globe helps us to see what the whole Earth looks like. A globe is better representation of earth in comparison to a flat map. As the Earth spins on its axis, globe also has an axis and we can rotate it. The globe is tilted to one side because the Earth itself is tilted. So, a globe helps in properly studying the Earth.

Multiple choice geography interior of the earth the earth's structure components of earth earth and structure

_____ part on the globe is sea. 

  1. Red

  2. Green

  3. Blue

  4. White
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A 3-dimensional model of the Earth is called globe. We cannot see the Earth all of it at once as it is so large. So, globe helps us to see what the whole Earth looks like. The blue part on the globe represents sea. Water covers 71% part of the Earth. That's why, our earth is also called "blue planet".

Multiple choice geography interior of the earth the earth's structure components of earth earth and structure

State whether the sentence is true (T) or false(F).
The earth is the third-largest planet is the solar system.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • Planet Sizes rank wise from biggest to smallest (radii given)
  • Jupiter (69,911 km / 43,441 miles) – 1,120% the size of Earth
  • Saturn (58,232 km / 36,184 miles) – 945% the size of Earth
  • Uranus (25,362 km / 15,759 miles) – 400% the size of Earth
  • Neptune (24,622 km / 15,299 miles) – 388% the size of Earth
  • Earth (6,371 km / 3,959 miles)
  • Venus (6,052 km / 3,761 miles) – 95% the size of Earth
  • Mars (3,390 km / 2,460 miles) – 53% the size of Earth
  • Mercury (2,440 km / 1,516 miles) – 38% the size of Earth