NCERT Class 9 Science Chapter 8 Journey Inside the Atom Test Mock Test
This free online test covers Chapter 8, Journey Inside the Atom, from the NCERT Class 9 Exploration 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
Sample Questions
Q1.What did Acharya Kanada call the smallest indivisible particles of matter, and in which text are his ideas recorded?
- AAtomos, recorded in the Vaisesika Sutras
- BDravyas, recorded in the Ganitakaumudi
- CParmanus, recorded in the Aryabhatiya
- DParmanus, recorded in the Vaisesika Sutras
Q2.What was significant about John Dalton's atomic theory of 1808, according to the chapter?
- AIt was the first idea that matter is made of indivisible particles, which no one had proposed before
- BIt showed for the first time that atoms contain smaller particles inside them
- CIt explained why atoms of different elements combine in fixed proportions using electrons
- DIt was based on scientific experiments and was the first scientific description of how matter is made
Q3.What did the discovery of radioactivity in the late nineteenth century show about atoms?
- AThat atoms must be composed of smaller particles, so they are not indivisible after all
- BThat atoms of different elements are identical in mass
- CThat atoms carry no electric charge of any kind
- DThat atoms are the smallest units of matter, confirming Dalton's theory
Before you begin
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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.
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FAQ
Frequently asked questions
Frequently Asked Questions
- How many questions are in the NCERT Class 9 Science Chapter 8 Journey Inside the Atom 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 Science Chapter 8 Journey Inside the Atom 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.