Tag: introduction to the spheres of the earth

Questions Related to introduction to the spheres of the earth

The thickness of troposphere is

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. 12 km

  2. 40km

  3. 8o km

  4. 50 km

Show answer
Correct Option: A
Explanation:
The atmosphere is made up of five layers mainly, exosphere, thermosphere, mesosphere, stratosphere and troposphere. The thickness of troposphere is measured 12 km. The tropopause is the boundary region between the troposphere and the stratosphere. It is the lowest major atmospheric layer, extending from the Earth's surface up to the bottom of the stratosphere. 
So, the correct answer is option A.

Which of the following is the type of lithosphere?

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Oceanic

  2. Continental

  3. Asthenosphere

  4. Both A and B

Show answer
Correct Option: D
Explanation:

The lithosphere is referred to the solid part of the Earth. This is the part which includes the crust and the upper mantle. There are two types of the lithosphere. The oceanic lithosphere is the part which is comprised of the oceans. The continental lithosphere is the part which is comprised of the continental crust. The continental part comprises of a more thick layer.

Thus, the correct answer is option D. 

Which of the following layer is completely cloudless?

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Thermosphere

  2. Mesosphere

  3. Stratosphere

  4. None of the above

Show answer
Correct Option: A

All of the followings are atmospheric layers except.

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Mesosphere

  2. Troposphere

  3. Asthenosphere

  4. Thermosphere

Show answer
Correct Option: C
Explanation:

The atmosphere of Earth is a layer of gases surrounding the planet Earth that is retained by Earth's gravity. The troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% of the atmosphere's mass. 

In the mesosphere, temperature decreases with increasing height. The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere and below the mesosphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down. The thermosphere is the layer of the Earth's atmosphere directly above the mesosphere and directly below the exosphere. Within this layer, ultraviolet radiation (UV) causes ionization. 

The asthenosphere is the highly viscous region of the upper mantle of the Earth. It lies below the lithosphere, at depths between approximately 80 and 200 km below the surface.
Thus, the correct answer is option C.

Atmospheric composition is 

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Argon

  2. Helium

  3. Iron

  4. Both A and B

Show answer
Correct Option: D
Explanation:

An envelope of gas that surrounds earth is called atmosphere. It contains 78% nitrogen, 21% oxygen, 0.03% carbon dioxide, 0.9% argon and traces of other gases like helium, little amount of water vapour, dust particles and other solid particles. So, the correct option is D. 

Most of the meteors burns in _________.

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Stratosphere

  2. Mesosphere

  3. Troposphere

  4. Thermosphere

Show answer
Correct Option: B

Which of the following maintains atmospheric temperature?

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Hydrosphere

  2. Biosphere

  3. Mesosphere

  4. None of the above

Show answer
Correct Option: A

Pedogenesis occurs in

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Hydrosphere

  2. Lithosphere

  3. Atmosphere

  4. None of the above

Show answer
Correct Option: B

Thunderstorm occurs in ___________.

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Mesosphere

  2. Ionosphere

  3. Troposphere

  4. Stratosphere

Show answer
Correct Option: C

Life originated in 

evs - i the earth and its living world introduction to the spheres of the earth origin of universe introduction to natural resources

  1. Lithosphere

  2. Hydrosphere

  3. Atmosphere

  4. All the above

Show answer
Correct Option: B