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:

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 ___________.

Q.2

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.3

It is possible to measure the passage of 50 electrons per sec with a certain sensitive device. This corresponds to a current of:

Q.4

Identify the reaction which takes place at the anode when an aqueous solution of CuSO4 is electrolysed using platinum as anode:

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

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.7

What volume of hydrogen gas at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of boron (At. mass: 10.8) from the reduction of BCl3 by hydrogen?

Q.8

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

Q.9

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



Q.10

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

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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