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

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Q.2

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Q.9

Q.10

Q.1	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
	a) Only 1		b) Only 2
	c) Only 3		d) Both 1 and 4

Q.2	Read the following statements and choose the correct option: Statement 1: The presence of circulatory system is not the characteristic feature of protochordata. Statement 2: Rhizopus is the common 'black bread mould' fungus.
	a) Statement 1 is correct and statement 2 is incorrect		b) Statement 1 is incorrect and statement 2 is correct
	c) Both the statements are correct		d) Both the statements are incorrect

Q.3	If two balls of different masses have the same kinetic energy, then ____________.
	a) lighter ball has greater momentum than the heavier ball		b) heavier ball has greater momentum than the lighter ball
	c) both balls have equal momentum		d) both balls have zero momentum

Q.4	Which of the following electronic configurations is/are correct?
	a) Ne = 2, 8		b) P = 2, 8, 5
	c) Cl = 2, 8, 6		d) Both a and b

Q.5	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.
	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.6	An athlete completes one round of circular track of radius r in 60 s with uniform speed. What is the ratio of distance to the displacement travelled by the athlete at the end of 30 s?
	a) 2π/3		b) π/2
	c) 2/3π		d) 2 π

Q.7	Choose the correct option and complete the following sentence: Pollutant which reduces oxygen-carrying capacity of haemoglobin, leading to suffocation or death is ____________.
	a) carbon monoxide		b) sulphur dioxide
	c) ozone		d) nitric oxide

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.
	a) hereditary		b) congenital
	c) air borne		d) water borne

Q.9	A car travels with a constant speed of 50 km/hr for 30 min and then quickly speed up to 100 km/hr to be maintained for 60 min. Calculate its average speed in m/s:
	a) 83.33		b) 43.33
	c) 23.14		d) 40.90

Q.10	Consider the following statement and choose the correct option: I. A book raised at an angle has positive work done. II. A book is raised and is at rest has positive work done. III. The work done in bringing a book from the first floor to the ground floor through the staircase is negative.
	a) Only I is correct		b) Both I and II are correct
	c) Both I and III are correct		d) I, II and III are correct

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.