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: In a simple electric circuit, the positive terminal of the battery is a point of lowest potential.
Reason: The electronic current flow in a circuit is from a point of highest potential to a point of lowest potential.
Q.2
What happens when 1 mole of ethyne undergoes complete combustion?
Q.3
Match column I with column II and select the correct answer using the codes given below:
Column I
Column II
1.
Element with a smallest atomic radius
a.
Ca
2.
Element with the largest atomic radius
b.
F
3.
Element with the highest electron affinity
c.
Cl
Q.4
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.5
Which of the following statements about carbon is/are correct?
A. It has a small atomic size. B. Its melting and boiling point is low as compared to other members of the group. C. It shows the electropositive character. D. It shows the maximum tendency of catenation.
Q.6
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?
Q.7
In the following question, an assertion and a reason are given. Choose the correct option:
Assertion: According to Döbereiner's, a group of three similar elements arranged in their increasing atomic weights show that the atomic weight of middle is equal to the arithmetic mean of the other two elements.
Reason: Atomic weight is equal to one-twelfth of the mass of a carbon atom.
Q.8
When SO2 is passed through a solution of K2Cr2O7 turns green. Which of the following correctly shows the change in the oxidation state of chromium and sulphur?
Q.9
Which environmental hazard is not contributed by the combustion of fossil fuels?
Q.10
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.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
c
Q.2
c
Q.3
b
Q.4
b
Q.5
d
Q.6
b
Q.7
b
Q.8
b
Q.9
c
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : c | Q.2 : c | Q.3 : b | Q.4 : b | Q.5 : d | Q.6 : b | Q.7 : b | Q.8 : b | Q.9 : c | Q.10 : a
