CREST Science Olympiad Class 9 Previous Year Papers

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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

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	Identify the disease-causing agents:
	a) Cholesterol, saturated fat and helminths		b) Measles, mumps and chickenpox
	c) Viruses, bacteria and fungi		d) Both a and c

Q.2	Match the following: List I List II 1.     Cell Wall a.     Closed Ring 2.     Flagella b.     Food Reserve 3.     DNA c.      Protect Cell 4.     Glycogen d.     Locomotory Structure
	a) 1 – c, 2 – d, 3 – b, 4 – a		b) 1 – d, 2 – c, 3 – b, 4 – a
	c) 1 – c, 2 – d, 3 – a, 4 – b		d) 1 – a, 2 – b, 3 – d, 4 – c

Q.3	What will happen if a saturated salt water solution is heated and allowed to cool without adding any more salt?
	a) Some salt will appear to settle at the bottom		b) Some more salt can be dissolved now
	c) No change takes place		d) Both a and b

Q.4	Fill in the blank: During a planned manoeuvre in a space flight, a free-floating astronaut A pushes another free-floating astronaut B, the mass of A being greater than that of B. Then, the magnitude of the force exerted by astronaut A on astronaut B is ___________.
	a) equal to zero		b) equal to the force exerted by astronaut B on astronaut A
	c) greater than the force exerted by astronaut B on astronaut  A		d) less than the force exerted by astronaut B on astronaut A

Q.5	An ionic compound is a poor conductor of electricity. Which of the following is the reason for this?
	a) Ions do not conduct electricity.		b) Charge on the ions is uniformly distributed.
	c) Ions occupy fixed positions in solids.		d) Ions have a uniform field.

Q.6	Consider the following statements and choose the correct option: Statement A: An electron in the inner orbit is more tightly bound to the nucleus. Statement B: The greater the absolute value of the energy of an electron the more tightly the electron is bound to the nucleus.
	a) Both A and B are true and B is not the appropriate reason for A.		b) Both A and R are individually correct and B is the correct reason for A.
	c) A is correct but B is not correct.		d) Both A and B are not correct.

Q.7	Label A, B, C and D in the following diagram and choose the correct option:
	a) A-Cell body, B-Nucleus, C-Axon, D-Nerve ending		b) A-Nucleus, B-Nerve ending, C-Axon, D-Dendrite
	c) A-Nucleus, B-Dendrite, C-Axon, D-Nerve ending		d) A-Nucleus, B-Axon, C-Dendrite, D-Nerve ending

Q.8	Which of the following options is correct regarding the given statement? A rubber ball and a lead ball having the same mass, strike normally on a smooth vertical wall with the same velocity. The lead balls fall down after striking the wall but the rubber ball bounces back.
	a) The momentum of the rubber ball is greater than that of the lead ball.		b) The momentum of the lead ball is greater than that of the rubber ball.
	c) The rubber ball suffers a greater change in momentum as compared to the lead ball.		d) Both the balls suffer an equal change in momentum.

Q.9	Fill in the blanks: Suppose gravity of the Earth suddenly becomes zero, then what will happen to the motion of the Moon (neglecting the effect of other celestial body) _____________.
	a) Moon will stop moving		b) Moon will start moving with non-uniform acceleration on the same path
	c) the Moon will begin to move in a straight line in the direction in which it was moving at that instant		d) None of the above

Q.10	Which of the following statement is wrong?
	a) Changes in air temperature have no effect on the speed of sound.		b) Changes in air pressure have no effect on the speed of sound.
	c) The speed of sound in water is higher than in air.		d) The speed of light in water is lesser than in air.

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Students can download the CREST Science Olympiad previous year paper pdf for class 9 from this page. Each question in the paper carries 1 mark. The answer key for all the questions is also provided on the last page.

The CREST Science Olympiad previous year paper pdf for class 9 can be used by students to assess their preparation. They could then learn how to fill up the knowledge gaps in their preparation and identify areas where they lack. They might better prepare for their exam as a result. Additionally, if students practice answering the previous years’ questions, their time management skills improve and as a result they will be able to manage time better in the main exam.

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.