MOCK • NCERT Class 9Medium

NCERT Class 9 Science Chapter 10 Sound Waves: Characteristics and Applications Test Mock Test

This free online test covers Chapter 10, Sound Waves: Characteristics and Applications, from the NCERT Class 9 Exploration textbook. The 33 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

33 mins

Questions

33 MCQs

Total Marks

33 pts

Negative

0 per wrong

Topics Covered in This Paper

Science
33 Qs100%

Sample Questions

Q1.What conclusion does the chapter draw from plucking a rubber band stretched across an open cardboard box?

  • ASound is produced by the cardboard box rather than by the rubber band
  • BSound continues for some time after the vibration has stopped
  • CSound is produced by vibrations, and stops when the vibration stops
  • DSound is produced only when the rubber band is at rest

Q2.How is sound produced in humans, according to the chapter?

  • ABy rubbing body parts together, as grasshoppers and crickets do
  • BBy the vibration of the eardrum inside the ear
  • CBy the vibration of air inside the nasal cavity alone
  • DBy the vibration of the vocal cords, tightly stretched muscular flaps inside the larynx

Q3.What does the vacuum bell jar experiment demonstrate?

  • ASound is produced only when air is present inside a bell
  • BSound cannot propagate in vacuum, because it needs a material medium
  • CLight and sound both require a material medium to travel
  • DSound travels faster when the air is removed from around the source

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.

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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 33 uninterrupted minutes.

FAQ

Frequently asked questions

Frequently Asked Questions

How many questions are in the NCERT Class 9 Science Chapter 10 Sound Waves: Characteristics and Applications Test mock test?
This paper has 33 multiple-choice questions carrying 33 marks in total, to be attempted in 33 minutes.
Is the NCERT Class 9 Science Chapter 10 Sound Waves: Characteristics and Applications 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.