CBSE 10 Science Question Paper-2020 Set-2 by Pavan | Practice Test to Test Your Knowledge
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  2. Practice Tests
  3. CBSE 10 Science Question Paper-2020 Set-2
CBSE 10 Science Question Paper-2020 Set-2

CBSE 10 Science Question Paper-2020 Set-2

This mock test includes actual CBSE Class 10 Science board exam questions from the year 2020 Set 2, helping students understand exam trends and practice real paper formats.

2025-07-28
Pavan Pavan
CBSE Class 10 Science 2020 Grade 10

Duration

30 min

Questions

25

Marking

Negative

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Questions Preview

What is the main source of energy in the Earth's atmosphere?

A
Geothermal energy
B
Solar energy
C
Nuclear energy
D
Wind energy

Which of the following elements is a noble gas?

A
Nitrogen
B
Argon
C
Oxygen
D
Carbon

What is the term for the process of converting a solid directly into a gas?

A
Condensation
B
Sublimation
C
Evaporation
D
Fusion

Which of the following is a physical change?

A
Burning wood
B
Rusting of iron
C
Melting ice
D
Cooking an egg

What is the best conductor of heat?

A
Wood
B
Iron
C
Water
D
Silver

Which gas is used in fire extinguishers?

A
Oxygen
B
Carbon dioxide
C
Nitrogen
D
Hydrogen

Which of the following is an example of a chemical reaction?

A
Melting ice
B
Dissolving sugar in water
C
Burning of wood
D
Freezing water

What is the SI unit of force?

A
Newton
B
Joule
C
Pascal
D
Watt

What is the formula for calculating speed?

A
Speed = Distance × Time
B
Speed = Distance / Time
C
Speed = Mass / Time
D
Speed = Force × Time

What is the boiling point of water in Celsius?

A
50°C
B
100°C
C
150°C
D
200°C

What is the primary use of a fuse in an electrical circuit?

A
To control the voltage
B
To prevent overheating
C
To amplify the current
D
To measure resistance

What is the most common method of preserving food?

A
Freezing
B
Canning
C
Drying
D
Pickling

Which of the following is a non-renewable resource?

A
Solar energy
B
Wind energy
C
Coal
D
Hydropower

What is the primary component of natural gas?

A
Methane
B
Ethane
C
Propane
D
Butane

Which part of the plant is responsible for photosynthesis?

A
Roots
B
Stem
C
Leaves
D
Flowers

Which of the following is a compound?

A
Oxygen
B
Carbon
C
Water
D
Nitrogen

Which force is responsible for the movement of tectonic plates?

A
Gravitational force
B
Magnetic force
C
Convection currents in the mantle
D
Frictional force

What is the main element found in all living organisms?

A
Oxygen
B
Carbon
C
Nitrogen
D
Hydrogen

Which of the following gases is responsible for the greenhouse effect?

A
Oxygen
B
Carbon dioxide
C
Nitrogen
D
Hydrogen

What is the symbol for the element gold?

A
Ag
B
Au
C
Pb
D
Fe

What is the main purpose of the ozone layer?

A
To regulate the Earth's temperature
B
To protect the Earth from harmful UV radiation
C
To trap gases for plant growth
D
To create weather patterns

Which of the following is an example of a renewable energy source?

A
Coal
B
Natural gas
C
Wind
D
Oil

Which of the following is a characteristic of metals?

A
Poor conductors of electricity
B
Brittle and easily breakable
C
Good conductors of heat and electricity
D
Non-reflective surfaces

Which of the following is the hardest naturally occurring material?

A
Diamond
B
Gold
C
Iron
D
Platinum

Which of the following is a non-metal?

A
Iron
B
Copper
C
Sulfur
D
Gold