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.10

Q.1	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.2	Fill in the blank: The change in density/pressure of a medium from a maximum value to a minimum value and again to the maximum value, due to the propagation of a longitudinal wave is called a complete __________________.
	a) oscillation		b) frequency
	c) amplitude		d) none of these

Q.3	In which of the following pairs of the ions/atoms are isoelectronic with each other? I. Na+ and Ne II. Na+ and K+ III. K+ and Cl-
	a) I and II		b) I and III
	c) II and III		d) All of the above

Q.4	A gold manufacturing company manufactures gold coins with absolutely pure gold. If the mass of each gold coin is 9.85 g and 1000 gold coins are manufactured per day, calculate the number of moles of gold consumed per day. (At. wt. of gold is 197 amu)
	a) 5		b) 50
	c) 100		d) 0.05

Q.5	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.6	Which of the following organelles are involved in the protein synthesis? (i) Endoplasmic reticulum (ii) Ribosomes (iii) Golgi complex (iv) Nucleus
	a) (i), (ii) only		b) (i), (ii), (iv) only
	c) (i), (ii), (iii) only		d) (i), (ii), (iii), (iv)

Q.7	Select the correct reason for the given statement: Algae and other submerged green plants often float in water during daytime and sink at night.
	a) They lose weight at night because fish and other animals eat away at their parts.		b) They become buoyant due to accumulation of oxygen as a result of photosynthesis.
	c) They become light due to consumption of food.		d) The come up to enjoy sunlight.

Q.8	Which of the following is the basic objective of the pulse polio immunisation programme? To immunise those children who are not earlier immunised or are partially immunised. To boost the immunity of children already immunised. To eradicate the polio-causing virus from the world.
	a) Only 1		b) Only 2
	c) Only 3		d) 1, 2 and 3

Q.9	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.10	Which of the following cell organelles are responsible for the intracellular transport system?
	a) Mitochondria		b) Ribosome
	c) Endoplasmic reticulum		d) Golgi complex

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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.