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ICSE Class 9 Atmosphere — practice questions — page 2

Explore 37 free Atmosphere questions in ICSE Class 9 Geography. Open each question or exercise to read its content, reference answers and available explanation.

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Atmosphere questions and exercises with answers

Showing questions 31–37 of 37.

The mesosphere lies directly above the:Read the answer and worked solution →Dust particles and water vapour are concentrated in which layer?Read the answer and worked solution →The one important feature that sets the stratosphere apart is that it:Read the answer and worked solution →Within the ionosphere, temperature:Read the answer and worked solution →The atmosphere contains a life-giving gas for plants, which is:Read the answer and worked solution →For humans and animals, the life-giving gas of the atmosphere is:Read the answer and worked solution →The boundary at the top of the troposphere is called the:Read the answer and worked solution →

Worked practice questions

The mesosphere lies directly above the:

  1. Thermosphere
  2. Ionosphere
  3. Exosphere
  4. Stratosphere
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Correct answer: D. Stratosphere

1. The layers stack in a fixed order. 2. The mesosphere lies above the stratosphere. 3. Its ceiling is the mesopause. _Source: syllabus Geography, 'Composition and Structure of Atmosphere' (kegy207)_

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Dust particles and water vapour are concentrated in which layer?

  1. The troposphere
  2. The exosphere
  3. The thermosphere
  4. The mesosphere
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Correct answer: A. The troposphere

1. Weather-making ingredients stay near the ground. 2. The troposphere contains dust particles and water vapour. 3. That is why weather happens only there. _Source: syllabus Geography, 'Composition and Structure of Atmosphere' (kegy207)_

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The one important feature that sets the stratosphere apart is that it:

  1. Reflects radio waves
  2. Contains the ozone layer
  3. Produces all rainfall
  4. Touches outer space
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Correct answer: B. Contains the ozone layer

1. The stratosphere sits above the tropopause. 2. Its noted feature is that it contains the ozone layer. 3. Radio reflection belongs to the ionosphere instead. _Source: syllabus Geography, 'Composition and Structure of Atmosphere' (kegy207)_

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Structure of the EarthHydrosphereEarth as a Planet