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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 |
Which environmental hazard is not contributed by the combustion of fossil fuels? |
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Q.2 |
Label A, B, C and D in the following diagram: ![]() |
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Q.3 |
An air bubble in a glass slab (μ = 3/2) is 6 cm deep when viewed from one face and 3 cm deep when viewed from the opposite face. Determine the thickness of the slab: |
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Q.4 |
Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance? |
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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 |
In the following question, an assertion and a reason are given. Choose the correct option: Assertion (A): In any food chain, the number of organisms in any trophic level should always be less than that in its previous trophic level. |
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Q.7 |
Length and diameters of four wires of same material are given below. The resistance of which of the following wires will be minimum? |
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Q.8 |
Which of the following statements about carbon is/are correct? A. It has a small atomic size. |
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Q.9 |
In the following question, an assertion and a reason are given. Choose the correct option: Assertion (A): Children necessarily possess the same blood group as either of the parents. Reason (R): The gene corresponding to the blood group has three alleles. |
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Q.10 |
Match the entries of Column I with those of Column II:
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Your Score: 0/10
Students can find the most recent CREST Science Olympiad previous year paper pdf for class 10 on this page. The pdf is easily downloadable & answer key for all the questions is also provided on the last page.
CREST Science Olympiad previous year papers become quite useful while preparing for the CREST Science Olympiad exam. Below are some advantages of referring to the previous year papers -
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 : c | Q.2 : a | Q.3 : b | Q.4 : b | Q.5 : c | Q.6 : a | Q.7 : c | Q.8 : d | Q.9 : d | Q.10 : a