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	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. Reason: Weight of a body is independent of the mass of the body.
	a) Both assertion and reason are true and reason is the correct explanation of assertion.		b) Both assertion and reason are true and reason is not the correct explanation of assertion.
	c) Assertion is true but reason is false.		d) Both assertion and reason are false

Q.2	Which one of the following graphs represents uniform motion?
	a)		b)
	c)		d)

Q.3	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.4	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.5	Choose the wrong statement:
	a) The accelerated motion may be due to change in the magnitude of velocity or direction of velocity or both.		b) The velocity and acceleration of a body may not necessarily be in the same direction.
	c) The velocity and acceleration of a body may not be zero simultaneously.		d) When a body falls freely under the action of gravity, its acceleration is zero.

Q.6	Choose the correct option and complete the following sentence: If you are asked to push an object so that the acceleration produced in it is now twice as before, then the force required will be ___________.
	a) twice as before		b) half as before
	c) same as before		d) four times as before

Q.7	Which of the statement(s) given below is/are correct? I. Aerenchyma tissues are found in hydrophytes. II. The number of stomata is less and sunken in xerophytes. III. Velamen tissues in orchids are found in the root.
	a) Only I		b) Only III
	c) Only II		d) I, II and III

Q.8	Consider the following statements: I. Parenchyma tissue provides support to plant and also stores food. II. The flexibility in plants is due to collenchyma. III. Sclerenchyma makes the plant hard and stiff. Which of the statements given above are correct?
	a) I and II		b) I, II and III
	c) I and III		d) II and III

Q.9	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.10	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. Reason: AIDS is not transmitted through contact with saliva, breast milk and vaginal secretions of an infected individual.
	a) Both assertion and reason are true and reason is the correct explanation of assertion.		b) Both assertion and reason are true and reason is not the correct explanation of assertion.
	c) Assertion is true but reason is false.		d) Both assertion and reason are false.

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.