CREST Science Olympiad Class 10 Sample Paper

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.

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Syllabus:

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

Sample Questions

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:

When a ray of light falls on a transparent glass plate, a part of it is reflected and a part is refracted. The reflected and refracted rays can be perpendicular to each other for ____________.

Q.2

Which of the following equations is not an example of displacement reaction?

Q.3

Which of the following is obtained in its pure form by the reaction of sugar and sulphuric acid?

Q.4

When a person walking in bright sunlight enters a dark room, he is not able to see clearly for a little while.

Identify the correct reason for the above statement:

Q.5

Why shouldn't we light a candle in a closed room with people?

Q.6

Arrange the following in the increasing order of ease of oxidation:

(A) SO4-2         (B) F-1            (C) Br-1        (D) OH-

Q.7

Which of the following would stop evolution by natural selection from occurring?

Q.8

Choose the correct option and complete the following sentence:

Sexual reproduction causes genetic variation because of _____________.

  1. blending of genes
  2. chromosomal changes
  3. shuffling of genes

Q.9

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.10

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 ___________.

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

Q.1cQ.2bQ.3bQ.4dQ.5dQ.6dQ.7dQ.8dQ.9bQ.10d

Answers to Sample Questions from CREST Olympiads:

Q.1 : c | Q.2 : b | Q.3 : b | Q.4 : d | Q.5 : d | Q.6 : d | Q.7 : d | Q.8 : d | Q.9 : b | Q.10 : d

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