Getting ready for the Class 10 Science Olympiad? Practising with previous year question papers is one of the smartest ways to prepare. These papers help students understand the level of questions asked and focus on the most important concepts during revision.
Download the Science Olympiad Previous Year Paper for Class 10 (PDF) and help your child revise smarter, practice better, and perform their best on exam day.
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Section 1: Chemical Reactions and Equations, Acids, Bases and Salts, Metals and Non-metals, Carbon and its Compounds, Periodic Classification of Elements, Life Processes, Reproduction in Organisms, Heredity and Evolution, Light-Reflection and Refraction, Human Eye and Colourful World, Electricity, Magnetic Effects of Electric Current, Sources of Energy, Our Environment and its Management.
Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1
Q.1 | Q.2 | Q.3 | Q.4 | Q.5 | Q.6 | Q.7 | Q.8 | Q.9 | Q.10 |
Q.1 |
Label A, B, C and D in the following diagram: ![]() |
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Q.2 |
It is possible to measure the passage of 50 electrons per sec with a certain sensitive device. This corresponds to a current of: |
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Q.3 |
In the following question, an assertion and the reason are given. Choose the correct option: Assertion (A): In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group. |
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Q.4 |
Consider the following reaction: 2CaO + C → CaC2 + 2CO If X is involved in the neutralisation reaction with acid, then Y may be: |
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Q.5 |
A convex mirror of focal length f produces an image 1/nth of the size of the object. Calculate the distance of the object from the mirror: |
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Q.6 |
Why shouldn't we light a candle in a closed room with people? |
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Q.7 |
Study the circuit given below and determine the effective resistance (in Ω) between A and B: ![]() |
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Q.8 |
Match List I (Vegetative propagation type) with List II (Example):
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Q.9 |
Match the entries of Column I with those of Column II:
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Q.10 |
Which of the following statements correctly describes the concept of sustainable development?
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Your Score: 0/10
Students can also refer to the following resources to level up their CREST Science Olympiad (CSO) exam preparation for class 10 -
Note: Don’t forget to download the CREST Science Olympiad past year paper pdf for class 10.
Answers to Previous Year Questions from CREST Olympiads:
Q.1 : a | Q.2 : a | Q.3 : d | Q.4 : b | Q.5 : c | Q.6 : d | Q.7 : a | Q.8 : b | Q.9 : a | Q.10 : a