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.

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Syllabus:

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

Sample Paper Previous Year Paper Marking Scheme Free Study Material

Previous Year Questions

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	A solid piece of lead experiences certain upthrust. What happens to the upthrust acting on the lead piece when it is shaped into a hollow cube and placed in the same liquid?
	a) Increases		b) Decreases
	c) Remains same		d) None of the above

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:
	a) g ∝ 1/R2		b) g ∝ 1/R
	c) g ∝ R		d) g ∝ R2

Q.3	Which of the following cell organelles are responsible for the intracellular transport system?
	a) Mitochondria		b) Ribosome
	c) Endoplasmic reticulum		d) Golgi complex

Q.4	What is the function of chloroplast in plants?
	a) To absorb carbon dioxide during photo synthesis.		b) To break up water into hydrogen and oxygen during photosynthesis.
	c) To synthesise food in the presence of sunlight.		d) To form carbon dioxide and glucose in sunlight.

Q.5	Which of the statements given below are correct about a tissue? I. Epithelium tissue forms a protective layer of the body. II. Transmission of stimuli from one part of the body to other part takes place through nervous tissue. III. Blood is an example of tissue.
	a) I and II		b) II and III
	c) I and III		d) I, II and III

Q.6	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?
	a) 10 mm Hg		b) 80 mm Hg
	c) 700 mm Hg		d) 800 mm Hg

Q.7	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.
	a) Both assertion and reason are true and reason is the correct explanation of assertion.		b) Both assertion and reason are true but reason is not the correct explanation of assertion.
	c) Assertion is true but reason is false.		d) Both assertion and reason are false.

Q.8	Kevin carries a bag weighing 6 kg from the ground floor to his house on the first floor that is 10 m high. Calculate the work done by Kevin: (g = 9.8 m/s2)
	a) 500 J		b) Zero
	c) 588 J		d) 58.8 J

Q.9	Which of the following maintains the organic matter of the soil?
	a) Fungi and semi-parasites		b) Cyanobacteria and parasitic animals
	c) Bacteria and fungi		d) All of these

Q.10	A field gun of mass 2.4 ton fires a shell of mass 24 kg with a velocity of 120 ms-1. Calculate the velocity of the recoil of the gun:
	a) 1.2 ms-1		b) 1 ms-1
	c) 3.2 ms-1		d) 4.2 ms-1

Your Score: 0/10

Additional Preparation Resources

Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 9 -

1. 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
2. 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.