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
Choose the correct option and complete the following sentence:
Sexual reproduction causes genetic variation because of _____________.
blending of genes
chromosomal changes
shuffling of genes
Q.2
Olivia measured the focal length of a convex lens by focusing a parallel beam of yellow, violet and green colours at the principal axis. If fy, fv and fg are the respective focal lengths, then which among the following is the correct relation?
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. Reason (R): In a group, the atomic radii generally increase from top to bottom.
Q.4
Consider the following reaction:
2CaO + C → CaC2 + 2CO 2CaC2 + 2H2O → X + Y
If X is involved in the neutralisation reaction with acid, then Y may be:
Q.5
Arrange the following in the increasing order of ease of oxidation:
(A) SO4-2 (B) F-1 (C) Br-1 (D) OH-
Q.6
Which of the following metals cannot be refined by electrolytic refining?
(i) Au (ii) Cu (iii) Na (iv) K
Q.7
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.8
It is possible to measure the passage of 50 electrons per sec with a certain sensitive device. This corresponds to a current of:
Q.9
In the following question, an assertion and a reason are given. Choose the correct option:
Assertion (A): A person, who has suffered from smallpox can be recommended for providing nursing care to the victims of smallpox than the person who hadn't suffered from smallpox.
Reason (R): The immune system of the person who had suffered from smallpox remembers the microbes causing smallpox and responds vigorously on the next encounter.
Q.10
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 ___________.
Your Score: 0/10
Answers to Sample Questions from CREST Olympiads:
Q.1
d
Q.2
b
Q.3
d
Q.4
b
Q.5
d
Q.6
d
Q.7
d
Q.8
a
Q.9
a
Q.10
a
Answers to Sample Questions from CREST Olympiads:
Q.1 : d | Q.2 : b | Q.3 : d | Q.4 : b | Q.5 : d | Q.6 : d | Q.7 : d | Q.8 : a | Q.9 : a | Q.10 : a
