MOCKNCERT Class 9Medium

NCERT Class 9 Social Science Chapter 3 Atmosphere and Climate Test Mock Test

This free online test covers Chapter 3, Atmosphere and Climate, from the NCERT Class 9 Understanding Society India and Beyond Part I textbook. The 30 questions are written directly from the chapter — definitions, processes, worked examples and the points the book italicises — so a score here tells you how much of the chapter actually stuck, not how well you guess. Each answer carries an explanation that says why the right option is right and why the other three fail, which is where most of the learning happens. Attempt it after your first read of the chapter, then again before the exam. There is no negative marking, and you can review the full solution the moment you submit.

Duration

30 mins

Questions

30 MCQs

Total Marks

30 pts

Negative

0 per wrong

Topics Covered in This Paper

Social Science
30 Qs100%

Sample Questions

Q1.What does the chapter say holds the atmosphere around the Earth, and what does the atmosphere do for us?

  • AGravity pulls it down around the Earth, and it shields us from harmful solar radiation including ultraviolet radiation while regulating temperature by trapping some of the Sun's energy
  • BAir pressure holds it in place, and its main function is to supply water vapour for rainfall
  • CThe Earth's rotation holds it in place, and it acts only to carry winds from place to place
  • DThe Earth's magnetic field holds it in place, and it prevents any of the Sun's energy from reaching the surface

Q2.What proportions of nitrogen, oxygen, argon and carbon dioxide does the chapter give for the atmosphere?

  • ANitrogen 21 per cent, oxygen 78 per cent, argon 0.04 per cent and carbon dioxide 0.93 per cent
  • BNitrogen 78 per cent, oxygen 21 per cent, argon 0.04 per cent and carbon dioxide 0.93 per cent
  • CNitrogen 70 per cent, oxygen 29 per cent, argon 0.5 per cent and carbon dioxide 0.4 per cent
  • DNitrogen 78 per cent, oxygen 21 per cent, argon 0.93 per cent and carbon dioxide 0.04 per cent

Q3.What range does the chapter give for the amount of water vapour in the atmosphere, and why does it matter?

  • AIt is a constant 0.93 per cent, and it determines the density of air at the surface
  • BIt generally ranges from 0.1 per cent to 0.4 per cent, and it plays a significant role in cloud formation and precipitation
  • CIt ranges from 1 per cent to 4 per cent, and it is the main gas that shields us from ultraviolet radiation
  • DIt ranges from 0.1 per cent to 0.4 per cent, and it is the gas that burns up meteorites entering the atmosphere

Before you begin

6 quick notes

The test will auto-submit when the timer runs out.

Each correct answer carries +1 marks.

Each wrong answer carries -0 marks.

You can flag questions to review later.

Do not switch tabs during the test.

Your progress is auto-saved.

Disclaimer: The questions provided here are extracted and digitized from previous year papers using automated processes. They may contain typographical errors, formatting issues, or minor variations from the actual examination paper. While we have done our best to verify the accuracy of the official answer keys, discrepancies may occasionally exist. Please refer to the official commission website for the most authentic paper.

Timer starts immediately and keeps running even if you close the tab. Make sure you have 30 uninterrupted minutes.

FAQ

Frequently asked questions

Frequently Asked Questions

How many questions are in the NCERT Class 9 Social Science Chapter 3 Atmosphere and Climate Test mock test?
This paper has 30 multiple-choice questions carrying 30 marks in total, to be attempted in 30 minutes.
Is the NCERT Class 9 Social Science Chapter 3 Atmosphere and Climate Test mock test free to attempt?
Yes. You can attempt the full paper online for free on AI Test Planet, and see your score and correct answers immediately after submitting.
Does this paper have negative marking?
No, there is no negative marking on this paper, so an attempted guess costs you nothing.
Are solutions and explanations available?
Yes. After you submit, every question shows the correct answer with a step-by-step explanation, along with a topic-wise breakdown of your performance.