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	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.2	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.3	Which of the following statements is/are incorrect?  I. Permanent tissue loses its capacity for cell division. II. A meristem is a group of cells that divide continually to form new cells. III. Companion cells are usually seen associated with the sieve tube.
	a) I and II		b) II and III
	c) I, II and III		d) None of them is incorrect

Q.4	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.5	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.6	In the following question, an assertion and a reason are given. Choose the correct option: Assertion (A): Epithelial tissue lining the urinary bladder is transitional epithelium. Reason (R): Transitional epithelium helps in changing the size of the bladder accordingly.
	a) Both A and R are true and R is the correct explanation for A.		b) Both A and R are true, but R is not the correct explanation for A.
	c) A is true and R is false.		d) A is false and R is true.

Q.7	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.8	Which of the following is the main difference between onion peel cells and human cheek cells?
	a) Presence of mitochondria in onion peel cells only.		b) Presence of cell wall in onion peel cells only.
	c) Absence of plasma membrane in human cheek cells.		d) Absence of endoplasmic reticulum in human cheek cells.

Q.9	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.10	Consider the following statements and choose the correct option: Only liquid phase is present after mixing a teaspoon of solid sugar in a glass of liquid water. A saturated solution can be converted into unsaturated by increasing temperature. Clouds are an example of solid in gas solution.
	a) Only 1 is correct		b) Only 2 is correct
	c) Only 1 and 2 are correct		d) 1, 2 and 3 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.