Science MCQs

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

Total Questions
2100
Page 198 of 210
Question 1971 Easy

Why is it dangerous to look directly at the Sun?

A
It is too dim
B
It emits harmful radiation
C
It causes dizziness
D
It has no effect
Question 1972 Easy

What is light pollution?

A
Light from the Moon
B
Light from stars
C
Natural sunlight
D
Artificial light that obscures the night sky
Question 1973 Easy

What is the main factor causing the universe to expand according to the Big Bang model?

A
Dark energy
B
Gravity
C
Star formation
D
The initial explosion
Question 1974 Easy

Which type of galaxy has a flat disk with spiral arms?

A
Elliptical
B
Lenticular
C
Spiral
D
Irregular
Question 1975 Easy

Which type of galaxy is oval-shaped?

A
Elliptical
B
Irregular
C
Barred
D
Spiral
Question 1976 Easy

Which type of galaxy has no definite shape?

A
Ring
B
Elliptical
C
Spiral
D
Irregular
Question 1977 Easy

What is the name of our nearest neighboring galaxy?

A
Whirlpool
B
Pinwheel
C
Triangulum
D
Andromeda
Question 1978 Easy

Approximately how many stars are in the Milky Way?

A
1-2 trillion
B
1-2 billion
C
100-200 billion
D
10-20 million
Question 1979 Easy

What is the final stage of a very massive star?

A
White Dwarf
B
Planetary Nebula
C
Red Giant
D
Black Hole
Question 1980 Easy

What is a supernova?

A
A powerful stellar explosion
B
The birth of a star
C
A type of galaxy
D
A cloud of gas
Showing 1971-1980 of 2100 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

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Did You Know?

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Regular practice with MCQs can improve your test-taking speed and accuracy by up to 40%.

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