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

Identify the correct sequence of fractions obtained when petroleum is subjected to fractional distillation:

  1. Lubricating oil
  2. Petrol
  3. Petroleum ether
  4. Diesel oil

Q.2

Identify the phenomenon by which a new set of the population is formed from the change in the frequency of some genes:

Q.3

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.4

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:

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

Refer to the given diagram and select the incorrect option regarding X and Y:



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

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.9

When current flows in a long straight solenoid, north and south poles are created at the two ends. Which of the following statements is/are correct?

Q.10

Study the circuit given below and determine the effective resistance (in Ω) between A and B:



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Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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