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	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.2	Which of the following concepts was not considered in Rutherford's atomic model?
	a) The electrical neutrality of atom.		b) The quantization of energy.
	c) Electrons revolve around the nucleus at very high speeds.		d) Existence of nuclear forces of attraction on the electrons.

Q.3	Which of the following statements is/are correct?
	a) The nature of matrix differs according to the function of the tissue.		b) Fats are stored below the skin and in between the internal organs.
	c) Epithelial tissues have almost no intercellular spaces between them.		d) All of the above

Q.4	In the following question, an assertion and reason are given. Choose the correct option: Assertion: Meiosis is also known as a reduction division. Reason: Meiosis involves the formation of daughter cells with half the number of chromosomes than that of the parent cell.
	a) Both assertion and reason are true and reason is the correct explanation for the assertion		b) Both assertion and reason are true and reason is the not the correct explanation for the assertion
	c) Assertion is true and reason is false		d) Assertion is false and reason is true

Q.5	Consider the following statements and choose the correct option: I. Tapeworm is a hermaphrodite.  II. Roundworm has separate sexes. III. Filaria is caused by a nematode.  IV. Guinea worm is an annelid.
	a) I and II are correct		b) I, II and III are correct
	c) III and IV are correct		d) II, III and IV are correct

Q.6	A ball falling from rest describes distance d1, d2, and d3 in the first, second and third seconds of its fall. Then the ratio of d1 : d2 : d3 is:
	a) 1 : 1 : 1		b) 1 : 3 : 5
	c) 1 : 2 : 3		d) 1 : 4 : 9

Q.7	Match the following: List I List II A. Irregularly thickened cell wall  i. Collenchyma B. Thin cell wall  ii. Xylem parenchyma  C. Lateral conduction of water  iii. Parenchyma D. Coconut husk iv. Sclerenchyma
	a) A-i, B-iii, C-ii, D-iv		b) A-i, B-ii, C-iv, D-iii
	c) A-iii, B-iv, C-ii, D-i		d) A-iii, B-i, C-ii, D-iv

Q.8	Fill in the blank: To prevent soil erosion, a farmer plants a hedge across a field. This method works because ____________.
	a) the hedge prevents the soil from direct impact of rainwater		b) the roots of plants prevent soil erosion
	c) the hedge absorbs minerals from the soil, which makes it most compact		d) none of the above

Q.9	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.10	In the following question, an assertion and the reason are given. Choose the correct option: Assertion: It is the gravitational force exerted by the sun and the moon on the seawater that causes the formation of tides in the sea. Reason: The gravitational force of attraction is a weak force compared to other fundamental forces of nature.
	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) Assertion is false but reason is true.

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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.