CREST Science Olympiad Class 7 Previous Year Paper

Getting ready for the Class 7 Science Olympiad? Practising with previous year question papers can be a game changer. These papers not only help students understand the kind of questions asked but also make revision more focused and effective.

What Makes These Papers Useful?

• They cover a range of topics like Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones etc.
• They improve logical thinking and help students practise answering within the time limit.
• Each paper comes with an answer key, making it easy to check answers and learn from mistakes.

Download the Science Olympiad Previous Year Paper for Class 7 (PDF) and give your child the right tools to prepare with confidence and perform their best in the exam.

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Syllabus:

Section 1: Heat, Motion and Time, Electric Current and its Effects, Winds, Storms and Cyclones, Light, Acids, Bases and Salts, Physical and Chemical Changes, Weather, Climate and Adaptations of Animals to Climate, Fibre to Fabric, Nutrition in Plants and Animals, Respiration in Organisms, Transportation in Plants and Animals, Reproduction in Plants, Natural Resources and Their Conservation.

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	Match the following correctly: Organisms How they breathe/respire 1. Cockroach  a. Gills 2. Earthworm b. Spiracles 3. Fish c. Stomata 4. Green plants d. Skin
	a) 1-b, 2-d, 3-a, 4-c		b) 1-a, 2-b, 3-d, 4-c
	c) 1-b, 2-a, 3-c, 4-d		d) 1-b, 2-a, 3-d, 4-c

Q.2	A pendulum, whose length (length of thread) is 2 m and mass of whose bob (metallic ball) is 2 kg is set in motion. Which of the following will be correct about the time period of the pendulum?
	a) Time period will remain constant		b) Time period will increase slowly
	c) Time period will decreas slowly		d) None of the above

Q.3	In the following question, an assertion and a reason are given. Choose the correct option: Assertion: The food synthesised by the leaves is transported to other plant parts in the form of sugar through a process called transpiration. Reason: The transpiration pull developed due to transpiration helps in the upward movement of water in the plant.
	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

Q.4	Read the statements and state whether they are true or false: A convex lens can form a real and inverted image. A concave lens always forms erect, virtual and smaller image than the object.
	a) 1. True 2. False		b) 1. True 2. True
	c) 1. False 2. False		d) 1. False 2. True

Q.5	State whether the following statements are true or false: 1. Potatoes are mainly propagated by a vegetative method called cloning. 2. Potato tubers have nodes or eyes from which the new growth begins. The new stems growing from each eye are called sprouts which give rise to the new plant.
	a) 1. False 2. True		b) 1. True 2. True
	c) 1. False 2. False		d) 1. True 2. False

Q.6	Look at the pictures given below and identify the similarity between them:
	a) Both are oxidised.		b) Both are galvanised to prevent rusting.
	c) Both are painted.		d) Both are crystallised.

Q.7	An object is placed in front of a mirror. Consider the following steps and arrange them in a sequential order to determine the nature of the mirror: (A) Check whether the image formed is virtual or real. (B) Check whether the virtual image found is diminished magnified or the same size as that of the object. (C) If the image formed is real, the mirror used is concave. (D) If a magnified virtual image is formed, the mirror is concave, if a diminished virtual image is formed, the mirror is convex and if the size of the image is equal to the size of the object, the plane mirror is used.
	a) ACBD		b) BDCA
	c) ACDB		d) BADC

Q.8	Maya drew the picture of the single-celled organism named amoeba below. Help her to identify parts named A and B and also the function of part A correctly:
	a) Part A- Pseudopodia Part B- Food vacuole Function of part A- To move and capture food.		b) Part A- Mitochondria Part B- Cytoplasm Function of part A- To digest food.
	c) Part A- Cytoplasm Part B- Mitochondria Function of part A- To sense food outside.		d) Part A- Food vacuole Part B- Pseudopodia Function of part A- To digest food.

Q.9	Identify the physical change from the following: Digestion of food Melting of wax Extraction of iron from ore Formation of manure from leaves
	a) Only 2		b) Only 4
	c) Both 1 and 2		d) Both 3 and 4

Q.10	The figure shows air-filled bulbs connected by a U-tube partly filled with alcohol. What happens to the levels of alcohol in the limbs X and Y when an electric bulb placed midway between the bulbs is lighted?
	a) The level of alcohol falls in both limbs.		b) The level of alcohol in the limb X rises while that in limb Y falls.
	c) The level of alcohol in limb X falls while that in limb Y rises.		d) There is no change in the levels of alcohol in the two limbs.

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 7 -

1. CREST Science Worksheets Package for class 7 - 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 7 - 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 7 for free.

Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 7.