CBSE Class 9 Science by Pavan | Practice Test to Test Your Knowledge
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

  2. Practice Tests
  3. CBSE Class 9 Science
CBSE Class 9 Science

CBSE Class 9 Science

Complete mock test covering Physics, Chemistry, and Biology fundamentals. Includes experimental observations, scientific methods, and practical applications.

2025-07-16
Pavan Pavan
Science CBSE Class 9 Grade 9

Duration

30 min

Questions

25

Marking

Negative

You've not yet enrolled in this practice test. Please login to start practice test.

Questions Preview

What is matter made up of?

A
Energy
B
Particles
C
Molecules
D
Atoms

Which philosopher classified matter into five basic elements?

A
Aristotle
B
Plato
C
Indian philosophers
D
Newton

What property of matter is demonstrated when salt dissolves in water?

A
Absorption
B
Diffusion
C
Evaporation
D
Condensation

What happens when you dilute potassium permanganate in water?

A
The solution becomes opaque
B
The solution becomes clearer
C
The color remains visible
D
The solution turns colorless

Which of the following best describes diffusion?

A
Particles of matter moving in a random direction
B
Particles of matter remaining stationary
C
Particles of matter moving to fill the available space
D
Particles of matter shrinking

At what temperature does water boil at normal atmospheric pressure?

A
273 K
B
373 K
C
273°C
D
373°C

What is the latent heat of fusion?

A
The heat required to change a liquid to gas
B
The heat required to change a solid to liquid
C
The heat required to change a gas to solid
D
The heat required to change a gas to liquid

Which of the following best describes evaporation?

A
A surface phenomenon
B
A bulk phenomenon
C
Occurs at all temperatures
D
Occurs only at boiling point

What happens to the temperature of a substance during a change of state?

A
It remains constant
B
It increases
C
It decreases
D
It oscillates

What happens to the particles of matter as the temperature increases?

A
They move slower
B
They move faster
C
They remain stationary
D
They condense

Which of the following changes directly from solid to gas?

A
Freezing
B
Sublimation
C
Melting
D
Evaporation

What is the boiling point of water at normal atmospheric pressure?

A
0°C
B
100°C
C
273.15 K
D
373 K

Which state of matter is the most ordered?

A
Solid
B
Liquid
C
Gas
D
Plasma

What property allows gases to diffuse very fast?

A
High compressibility
B
High speed and large space between particles
C
Low speed and small space between particles
D
Low kinetic energy

At what temperature does ice melt to become water?

A
273 K
B
273.15 K
C
100°C
D
0°C

Which of the following is NOT an example of evaporation?

A
Sweating
B
Water drying up
C
Boiling
D
Water evaporating from a wet cloth

Why do we wear cotton clothes in summer?

A
They absorb sweat and help in evaporation
B
They keep us cool by blocking heat
C
They help in reducing the evaporation of sweat
D
They trap heat

What is the role of evaporation in cooling?

A
It absorbs heat from the surroundings
B
It releases heat into the surroundings
C
It speeds up the heating process
D
It prevents the cooling effect

What is the effect of wind speed on evaporation?

A
It slows down evaporation
B
It speeds up evaporation
C
It has no effect on evaporation
D
It increases humidity

What is the effect of surface area on evaporation?

A
It reduces evaporation
B
It increases evaporation
C
It has no effect on evaporation
D
It decreases the rate of evaporation

What is the boiling point of water?

A
100°C
B
273 K
C
50°C
D
373 K

Which state of matter has the most kinetic energy?

A
Solid
B
Liquid
C
Gas
D
Plasma

What happens when temperature increases?

A
Particles move slower
B
Particles move faster
C
Particles move randomly
D
Particles become rigid

Which of the following is an example of sublimation?

A
Dry ice turning into gas
B
Water turning into ice
C
Water boiling
D
Water freezing

What happens when we increase the pressure on a gas?

A
The gas becomes liquid
B
The gas expands
C
The gas becomes more compressible
D
The gas temperature decreases