Help your child excel in the Science Olympiad with the Class 10 sample paper. It's a great tool to practise important topics and understand the exam structure.
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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 |
Fill in the blank: Bronze is often used to make statues and medals whereas brass is used in making utensils, scientific apparatus and cartridges. Both brass and bronze are copper-containing alloys, yet they differ in their chemical composition for additionally containing ___________. |
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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 |
Match the entries of Column I with those of Column II:
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Q.4 |
Fill in the blank: An electric current through a horizontal metal wire flows in East to West direction, the direction of the magnetic field at a point directly above it is from ___________. |
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Q.5 |
Choose the correct option and complete the following sentence: Sexual reproduction causes genetic variation because of _____________.
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Q.6 |
Fill in the blank: When Ca(NO3)2 is heated, it gives CaO, NO2(g) and O2(g). The correct number of moles of Ca(NO3)2, CaO, NO2(g) and O2(g) are present in the reaction are respectively _________. |
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Q.7 |
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.8 |
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.9 |
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.10 |
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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Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : a | Q.3 : a | Q.4 : d | Q.5 : d | Q.6 : b | Q.7 : a | Q.8 : d | Q.9 : c | Q.10 : b