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Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
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Question 2021 Easy

What are decomposers?

A
Organisms that break down dead matter
B
Organisms that produce food
C
Organisms that photosynthesize
D
Organisms that hunt prey
Question 2022 Easy

What is diabetes?

A
A blood disorder
B
A lung infection
C
A heart disease
D
A disease related to insulin
Question 2023 Easy

What is the diaphragm?

A
A muscle that helps in breathing
B
A part of the heart
C
A bone in the chest
D
A blood vessel
Question 2024 Easy

What is diarrhoea?

A
Excessive discharge of watery stool
B
A lung disease
C
A skin infection
D
A type of fever
Question 2025 Easy

What is digestion?

A
The process of thinking
B
The process of breaking down food
C
The process of blood circulation
D
The process of breathing
Question 2026 Easy

What is dispersal of light?

A
Refracting light
B
Reflecting light
C
Splitting white light into colors
D
Absorbing light
Question 2027 Easy

What is an ecosystem?

A
A community interacting with its environment
B
A group of animals
C
A single organism
D
Only living things
Question 2028 Easy

What is electric current?

A
The flow of heat
B
The flow of electrons
C
The flow of water
D
The flow of air
Question 2029 Easy

What is electrical power?

A
The voltage supplied
B
The rate of converting electrical energy
C
The resistance offered
D
The total energy used
Question 2030 Easy

What is electricity?

A
A type of fuel
B
A way to move electrical energy
C
A form of light
D
A kind of sound
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