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.
What's Included?
MCQs covering key concepts from the Class 10 science syllabus.
Two sections: Practical Science & Achiever's Section.
Answer key with detailed explanations for better understanding.
Download Class 10 Science Olympiad Sample Paper (PDF)
Download the free PDF to help your child prepare confidently and perform their best.
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
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. Reason (R): Only 10 percent of total energy present in a trophic level is transferred to the next trophic level in any food chain.
Q.3
Identify the phenomenon by which a new set of the population is formed from the change in the frequency of some genes:
Q.4
Arrange the following in the increasing order of ease of oxidation:
(A) SO4-2 (B) F-1 (C) Br-1 (D) OH-
Q.5
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:
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 _________.
Q.7
Fill in the blank:
Neutral water with pH of about 7 becomes slightly acidic when aerated. This is because ________________.
Q.8
What volume of hydrogen gas at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of boron (At. mass: 10.8) from the reduction of BCl3 by hydrogen?
Q.9
In the following question, an assertion and a reason are given. Choose the correct option:
Assertion (A): Generally, the colour of indicators changes in a particular pH range.
Reason (R): Indicators are weak acids or weak bases and exhibit different colours in molecular form and ionic form.
Q.10
Which environmental hazard is not contributed by the combustion of fossil fuels?
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
b
Q.6
b
Q.7
d
Q.8
c
Q.9
a
Q.10
c
Answers to Sample Questions from CREST Olympiads:
Q.1 : a | Q.2 : a | Q.3 : a | Q.4 : d | Q.5 : b | Q.6 : b | Q.7 : d | Q.8 : c | Q.9 : a | Q.10 : c
