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Universe and Solar System MCQ Questions with Answers

Universe and Solar System MCQ Questions with Answers help students and competitive exam aspirants revise important concepts related to space science. This collection covers questions on planets, stars, the Sun, the Moon, satellites, comets, asteroids, black holes, and other celestial bodies. Each question includes multiple-choice options and a correct answer, making it useful for quick revision and general knowledge practice. These questions can help learners strengthen their understanding of the Solar System and the wider universe while preparing for various competitive examinations. Test your knowledge, review important facts, and improve your understanding of astronomy and space-related topics.

Q1 :

Which planet is known for its seven rings made of ice particles?

A
  

Jupiter

B
  

Pluto

C
  

Saturn

D
  

Venus

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Q2 :

What is the rank of the earth in the solar system in terms of size?

A
  

Third

B
  

Fourth

C
  

Fifth

D
  

Sixth

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Q3 :

When an earth satellite dissipates energy, where does it move?

A
  

lower orbit and its kinetic energy increases

B
  

higher orbit and its kinetic energy decreases

C
  

lower orbit and its kinetic energy decreases

D
  

higher orbit and its kinetic energy increases

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Q4 :

What does it mean when a star appears blue in colour?

A
  

cooler than the moon

B
  

hotter than the sun

C
  

as hot as the sun

D
  

cooler than the sun

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Q5 :

Consider the following astral bodies:
1. Saturn
2. Venus
3. Mars
The correct sequence in decreasing order of their brightnesses in 

A
  

2,3,1

B
  

1, 2, 3

C
  

3, 2, 1

D
  

2, 1, 3

Q6 :

Operation Pathfinder is a mission to which planet?

A
  

Sun

B
  

Moon

C
  

Mars

D
  

Venus

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Q7 :

The origin of a comet is usually from?

A
  

Pearl Cloud

B
  

Cirrus Cloud

C
  

Nebula

D
  

Oort Cloud

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Q8 :

Black holes are stellar objects which?

A
  

emit black body radiation

B
  

have weak gravitational field

C
  

have intense gravitational field

D
  

have intense magnetic field

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Q9 :

Which satellite was launched from Indian soil?

A
  

INSAT-1B

B
  

Rohini RS-D2

C
  

Aryabhatta-I

D
  

Bhaskara-I and II

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Q10 :

What are small bodies between Mars and Jupiter called?

A
  

Asteroids

B
  

Comets

C
  

Meteors

D
  

Meteorites

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Q11 :

What is a black hole?

A
  

contracted star with intense gravitational pull

B
  

star with very low surface temperature

C
  

star with no atmosphere

D
  

pulsating star

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Q12 :

An artificial satellite can be tracked very precisely from the earth by using—

A
  

Doppler effect

B
  

Radar

C
  

Sonar

D
  

Pulsar

Q13 :

Which one of the following statements about a satellite orbiting around the Earth is correct?

A
  

Satellite is kept in orbit by remote control from ground station

B
  

Satellite is kept in orbit by retro-rocket and solar energy keeps it moving around the Earth

C
  

Satellite requires energy from solar panels and solid fuels for orbiting

D
  

Satellite does not require any energy for orbiting

Q14 :

Light year is a measure of?

A
  

time

B
  

distance

C
  

total amount of light falling on the Earth in a year

D
  

average intensity of light falling on the Earth in a year

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Q15 :

How long does light take to reach the Earth from the Sun?

A
  

About 4 minutes

B
  

About 8 minutes

C
  

About 24 minutes

D
  

About 24 hours

Q16 :

A person can jump higher on the moon's surface than on the earth because

A
  

the acceleration due to gravity in moon is smaller than that on the earth

B
  

the Moon is cooler than earth

C
  

the moon's surface is rough

D
  

the moon has no atmosphere

Q17 :

Which of the following is correct regarding light year?

A
  

1 Light year = 9.46 x 1015 metre

B
  

1 Light year = 9.45 x 1015 metre

C
  

1 Light year = 9.44 x 1015 metre

D
  

1 Light year = 9.43 x 1015 metre

Q18 :

The coldest planet in the Solar System is—

A
  

Uranus

B
  

Jupiter

C
  

Mars

D
  

Saturn

Q19 :

Size of the Sun is how many times bigger than that of the Earth?

A
  

124 times

B
  

100 times

C
  

109 times

D
  

115 times

Q20 :

Which one of the following is known as 'Morning Star'?

A
  

Mercury

B
  

Venus

C
  

Mars

D
  

Saturn