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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 2081 Easy

What is a spectrum?

A
Sound waves
B
The band of colors from dispersed light
C
Invisible light
D
A single color
Question 2082 Easy

What is a spiral galaxy?

A
An irregular galaxy
B
A galaxy with a bulge and spiral arms
C
An oval galaxy
D
A round galaxy
Question 2083 Easy

What are stars?

A
Balls of hot glowing gases
B
Moons
C
Asteroids
D
Planets
Question 2084 Easy

What is a supernova?

A
The explosion of a dying massive star
B
A galaxy
C
A black hole
D
The birth of a star
Question 2085 Easy

What is surface water?

A
Ocean water
B
Fresh water in lakes streams and rivers
C
Glacier water
D
Groundwater
Question 2086 Easy

What is total internal reflection?

A
Dispersion
B
Diffraction
C
Reflection within a medium when incidence angle exceeds critical angle
D
Refraction
Question 2087 Easy

What is translocation?

A
Movement of water
B
Photosynthesis
C
Movement of food in plants
D
Growth of roots
Question 2088 Easy

What is transpiration?

A
Absorption of water
B
Photosynthesis
C
Loss of water from leaves
D
Germination
Question 2089 Easy

What is transplantation?

A
Seed dispersal
B
Grafting plants
C
Blood transfusion
D
Shifting body parts or organs from one person to another
Question 2090 Easy

What is a transverse wave?

A
A pressure wave
B
A wave where particles move perpendicular to the wave direction
C
A longitudinal wave
D
A sound wave
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