CBSE 10 Science Question Paper-2022 Set-2 by Pavan | Practice Test to Test Your Knowledge
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  2. Practice Tests
  3. CBSE 10 Science Question Paper-2022 Set-2
CBSE 10 Science Question Paper-2022 Set-2

CBSE 10 Science Question Paper-2022 Set-2

This mock test includes actual CBSE Class 10 Science board exam questions from the year 2022 set-2, helping students understand exam trends and practice real paper formats.

2025-07-30
Pavan Pavan
CBSE Class 10 Science 2022 Grade 10

Duration

30 min

Questions

30

Marking

Negative

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Questions Preview

Which part of the human male reproductive system serves as a common passage for both sperms and urine?

A
Urethra
B
Vas deferens
C
Seminal vesicle
D
Prostate gland

In the modern periodic table, how does the tendency of elements to lose electrons change as we move down a group?

A
It increases.
B
It decreases.
C
It remains constant.
D
It becomes erratic.

What happens to the ovule and ovary after fertilization?

A
The ovule develops into a seed and the ovary becomes the fruit.
B
The ovule dies and the ovary remains unchanged.
C
The ovule turns into the placenta and the ovary becomes the seed.
D
The ovule and ovary both decompose.

Which of the following statements best describes the role of decomposers in the ecosystem?

A
Decomposers break down dead organisms, returning nutrients to the soil.
B
Decomposers help plants grow by providing sunlight.
C
Decomposers are responsible for pollination.
D
Decomposers produce oxygen for animals.

Which contraceptive method prevents pregnancy by preventing the transfer of sperm?

A
Contraceptive pills
B
Condoms
C
Intrauterine device (IUD)
D
Vasectomy

What is the main reason why ordinary washing of fruits and vegetables does not reduce the effect of biological magnification?

A
The toxic substances accumulate inside the organisms' tissues.
B
The toxins are water-soluble and remain in the soil.
C
The washing process doesn't affect the chemicals in the food.
D
The toxins are stored in the digestive system of consumers.

What is the correct formula for calculating the resistance of an electric heater?

A
Resistance = Voltage / Current
B
Resistance = Voltage x Current
C
Resistance = Current x Power
D
Resistance = Voltage^2 / Power

What is the main role of the ovary after fertilization in plants?

A
It develops into a seed.
B
It becomes the fruit.
C
It absorbs nutrients for the embryo.
D
It produces more flowers.

What happens in a food chain as we move from lower to higher trophic levels?

A
The number of individuals decreases.
B
The number of individuals increases.
C
The number of individuals remains constant.
D
The number of individuals fluctuates.

Which property of carbon compounds is responsible for their ability to form covalent bonds?

A
The ability to share electrons.
B
The ability to conduct electricity.
C
The ability to form metallic bonds.
D
The presence of a single electron in the outer shell.

What happens to the size of human population when contraceptive methods are used?

A
The population size decreases.
B
The population size increases.
C
The population size remains constant.
D
The population size fluctuates.

Which of the following best describes biological magnification?

A
The concentration of toxic substances increases as we move up the food chain.
B
The concentration of toxic substances decreases as we move up the food chain.
C
Toxic substances remain constant throughout the food chain.
D
Toxic substances are eliminated at higher trophic levels.

Which is the main reason for carbon compounds to have low melting and boiling points?

A
They are composed of molecules with weak forces between them.
B
They are composed of metal bonds.
C
They have strong covalent bonds.
D
They have a crystalline structure.

Which of the following is the correct electronic configuration of an element with atomic number 24?

A
2, 8, 14
B
2, 8, 10
C
2, 8, 14
D
2, 8, 4

What is a homologous series in organic chemistry?

A
A series of compounds that differ by a CH2 group.
B
A series of compounds with the same molecular formula.
C
A series of compounds with different functional groups.
D
A series of compounds with different molecular masses.

Which of the following elements is part of the halogen group in the periodic table?

A
Chlorine
B
Oxygen
C
Carbon
D
Sodium

What is the purpose of the diaphragm in the human respiratory system?

A
It regulates the pressure in the lungs during breathing.
B
It prevents the entry of food into the respiratory tract.
C
It produces oxygen in the lungs.
D
It filters the air entering the lungs.

What happens when the key in a simple electric motor circuit is plugged in?

A
The current starts flowing through the coil, causing it to rotate.
B
The coil stops rotating.
C
The circuit is disconnected.
D
The coil gains more resistance.

Which property of water allows it to absorb heat without a significant rise in temperature?

A
High specific heat capacity
B
Low thermal conductivity
C
High surface tension
D
Low specific heat capacity

What is the major component of the Earth's atmosphere?

A
Oxygen
B
Nitrogen
C
Carbon dioxide
D
Argon

Which of the following organisms reproduce by binary fission?

A
Bacteria
B
Humans
C
Frogs
D
Dogs

In the periodic table, elements in the same group have similar

A
Atomic numbers
B
Electron configurations
C
Molecular weights
D
Melting points

What is the major component of the Earth's atmosphere?

A
Oxygen
B
Nitrogen
C
Carbon dioxide
D
Argon

What is the primary purpose of photosynthesis in plants?

A
To produce food for the plant
B
To produce oxygen
C
To absorb water
D
To store energy

What is the major function of the phloem in plants?

A
To transport food from leaves to other parts
B
To transport water and minerals
C
To provide structural support
D
To store nutrients

Which of the following substances is a renewable energy source?

A
Solar energy
B
Coal
C
Natural gas
D
Oil

What happens when a magnet is broken into two pieces?

A
Each piece becomes a magnet with its own north and south pole.
B
The magnet loses its magnetic properties.
C
One piece becomes a magnet and the other piece becomes non-magnetic.
D
The pieces merge to form a stronger magnet.

What is the main function of the roots in plants?

A
To anchor the plant and absorb water and nutrients.
B
To produce food for the plant.
C
To transport water and nutrients.
D
To protect the plant from pathogens.

What happens during the process of condensation in the water cycle?

A
Water vapor cools and changes into liquid droplets.
B
Liquid water evaporates into water vapor.
C
Water is absorbed by plants.
D
Water flows into rivers and oceans.

Which of the following is a renewable energy source?

A
Solar energy
B
Natural gas
C
Coal
D
Oil