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

Match the entries of Column I with those of Column II:

 

Column I

 

Column II

1.    

Stomata

a.    

Anaerobic respiration

2.    

Mangrove trees

b.    

Intake of CO2

3.    

Wood stem

c.     

Pneumatophores

4.    

Yeast

d.    

Lenticels

Q.2

Which of the following statements correctly describes the concept of sustainable development?

  1. Planned growth with minimum damage to the environment
  2. Growth irrespective of the extent of damage caused to the environment
  3. Stopping all developmental work to conserve the environment
  4. Growth that is acceptable to all the stakeholders

Q.3

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.4

In the following question, an assertion and a reason are given. Choose the correct option:

Assertion: The magnetic field produced by a current-carrying solenoid is independent of its length and cross-section area.

Reason: The magnetic field inside the solenoid is uniform.

Q.5

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.6

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

Q.7

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

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

Q.8

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.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

In the following question, an assertion and a reason are given. Choose the correct option:

Assertion (A): Children necessarily possess the same blood group as either of the parents.

Reason (R): The gene corresponding to the blood group has three alleles.

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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