Preparing for the Class 9 Science Olympiad can feel challenging, but using previous year question papers makes a big difference. These papers give students a solid understanding of how questions are framed and what topics to focus on, making revision more targeted.
Download the Science Olympiad Previous Year Paper for Class 9 (PDF) to support focused revision and help your child step into the exam feeling well-prepared and motivated.
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Section 1: Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound, Matter in Our Surroundings, Is Matter Around Us Pure, Atoms and Molecules, Structure of Atom, Cell - The Fundamental Unit of Life, Tissues, Diversity in Living Organisms, Why Do We Fall Ill, Natural Resources, Improvement in Food Resources.
Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1
| Q.1 | Q.2 | Q.3 | Q.4 | Q.5 | Q.6 | Q.7 | Q.8 | Q.9 | Q.10 |
Q.1 |
Which of the following solutions will have the greatest concentration? |
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Q.2 |
Choose the correct option and complete the following sentence: Rohan lives in an overcrowded and poorly ventilated house, it is possible that he may suffer from the _________________ diseases. |
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Q.3 |
Consider the following statements: |
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Q.4 |
In the following question, an assertion and a reason is given. Choose the correct option: Assertion: AIDS is not syndrome which results from infection through bacteria. |
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Q.5 |
If different planets have the same density but different radii, then the acceleration due to gravity on the surface of the planet is related to the radius (R) of the planet as: |
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Q.6 |
In the following question, an assertion and reason are given. Choose the correct option: Assertion: Intercropping checks the population of insects. Reason: Plant pests can be controlled biologically by their natural parasites and pathogens. |
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Q.7 |
In the following question, an assertion and the reason are given. Choose the correct option: Assertion: Mass of a body on earth is equal to the force with which the body is attracted towards the earth. |
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Q.8 |
In the following question, an assertion and the reason are given. Choose the correct option: Assertion: The motion of a body moving in a circular path with constant speed is an example of constant acceleration. |
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Q.9 |
A mixture of gases with a pressure of 800 mm Hg contains 10% oxygen and 90% nitrogen by volume. What is the partial pressure of the oxygen gas in the mixture? |
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Q.10 |
Consider the following statements and choose the correct option: Statement 1: The number of molecules present in 2.8 g of nitrogen is 6.023 x 1022. Statement 2: Both 44 g CO2 and 16 g CH4 have the same number of carbon atoms. |
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Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 9 -
Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 9.
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : a | Q.2 : c | Q.3 : b | Q.4 : d | Q.5 : c | Q.6 : b | Q.7 : d | Q.8 : d | Q.9 : b | Q.10 : c