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

If I1 is the first ionization potential, I2 is the second ionization potential, I3 is the third ionization potential and I4 is the fourth ionization potential of an element, then which of the following has the least value?

Q.2

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

Assertion: In a simple electric circuit, the positive terminal of the battery is a point of lowest potential.

Reason: The electronic current flow in a circuit is from a point of highest potential to a point of lowest potential.

Q.3

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.4

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.5

Match List I (Vegetative propagation type) with List II (Example):

Column I (Vegetative propagation type)

Column II (Example)

1.    

Tuber eye

a.    

Garlic

2.    

Bulb

b.    

Rose

3.    

Cutting

c.     

Potato

4.    

Plantlets at margins of leaves

d.    

Bryophyllum

Q.6

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.7

Match column I with column II and select the correct answer using the codes given below:

 

Column I

 

Column II

1.    

Element with a smallest atomic radius

a.    

Ca

2.    

Element with the largest atomic radius

b.    

F

3.    

Element with the highest electron affinity

c.    

Cl

Q.8

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.9

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 ___________.

Q.10

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

Your Score: 0/10

Answers to Sample Questions from CREST Olympiads:

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

Answers to Sample Questions from CREST Olympiads:

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

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