CREST Science Olympiad Class 9 Previous Year Paper
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.
How These Papers Help
They cover crucial topics such as Motion, Force and Laws of Motion, Gravitation, Work and Energy, Sound etc.
They improve time management, analytical thinking, and help students handle tricky questions more confidently.
Answer keys are included to help students review and strengthen weak areas.
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.
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
In the following question, an assertion and a reason are given. Choose the correct option:
Assertion: A mixture of hydrogen and sulphur dioxide gas can be separated using a method of diffusion. Reason: Diffusion is a method of separation by which two gases with greater difference in their densities are separated.
Q.2
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:
Q.3
In the following question, an assertion and the reason are given. Choose the correct option:
Assertion: All bryophytes are called amphibians of the plant kingdom. Reason: Water is necessary to complete their life-cycle.
Q.4
Consider the following statements and choose the correct option:
Only liquid phase is present after mixing a teaspoon of solid sugar in a glass of liquid water.
A saturated solution can be converted into unsaturated by increasing temperature.
Clouds are an example of solid in gas solution.
Q.5
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.
Q.6
Read the following statements and choose the correct option:
Statement 1: Low visibility during cold weather is due to unburnt carbon particles or hydrocarbons suspended in the air.
Statement 2: Transpiration step is not involved in the carbon cycle.
Q.7
The presence of ozone in the atmosphere of earth _____________.
is advantageous since it supplies O2 for people travelling in jets
helps in checking the penetration of ultraviolet rays to earth
hinders higher rate of photosynthesis
has been responsible for increasing the average global temperature in recent years
Q.8
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.
Q.9
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.
Q.10
Which of the following organelles are involved in the protein synthesis? (i) Endoplasmic reticulum (ii) Ribosomes (iii) Golgi complex (iv) Nucleus
Answers to Previous Year Questions from CREST Olympiads:
Q.1
a
Q.2
c
Q.3
a
Q.4
c
Q.5
b
Q.6
c
Q.7
b
Q.8
c
Q.9
c
Q.10
a
Additional Preparation Resources
Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 9 -
CREST Science Worksheets Package for class 9 - It is a package of 5 worksheets. The worksheets are in the same pattern as the previous year paper. Hence, very useful for preparation. Existing users can purchase additional practice worksheets by following these steps: Login at https://www.crestolympiads.com/login -> Dashboard -> Additional Practice -> Buy & new users can visit https://www.crestolympiads.com/registration
CREST Science Olympiad book for class 9 - The book covers topic-wise reading material, chapter-wise practice questions with answer key & contains the previous year paper. The book is available in both physical and pdf formats. Proceed now to purchase the Olympiad book. Also, students can view & download the first chapter of the Science Olympiad book for class 9 for free.
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 : a | Q.4 : c | Q.5 : b | Q.6 : c | Q.7 : b | Q.8 : c | Q.9 : c | Q.10 : a
