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Solar System

214 MCQ questions with answers and explanations · page 5 of 9

Test yourself▶ 25 question test▶ 50 question test

Q101. Who first measured the circumference of the Earth?

  1. AHicataeus
  2. BHerodotus
  3. CAristotle
  4. DEratosthenes
Show answer & explanation

Answer: D) Eratosthenes

Q102. How much is the Earth's polar diameter less than its equatorial diameter?

  1. A25 KM
  2. B43 KM
  3. C80 KM
  4. D30 KM
Show answer & explanation

Answer: B) 43 KM

Q103. What is the approximate equatorial diameter of the Earth?

  1. A12,700 KM
  2. B12,750 KM
  3. C12,650 KM
  4. D12,600 KM
Show answer & explanation

Answer: B) 12,750 KM

Q104. What is the rotation of the Earth on its imaginary axis called?

  1. Acruises
  2. BClass
  3. Crotation
  4. Dnone of these
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Answer: C) rotation

Q105. The speed of the Earth in its orbit is -

  1. AWest to East
  2. BEast to west
  3. CNorth South
  4. DSouth to North
Show answer & explanation

Answer: A) West to East

Q106. During which time is the distance between the Earth and the Sun maximum?

  1. Anorth solstice
  2. Bsouthern solstice
  3. Caphelion
  4. DPerihelion
Show answer & explanation

Answer: C) aphelion

Q107. Seasons are caused by the following:

  1. Athe earth rotates
  2. Brevolution of the earth around the sun
  3. CThe Earth is tilted 66.5° on its axis
  4. DBoth B and C above
Show answer & explanation

Answer: B) revolution of the earth around the sun

Q108. The planet smaller in size than the Earth is-

  1. AArun and Mars
  2. BVaruna and Venus
  3. CVenus and Mars
  4. DVaruna and Mars
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Answer: C) Venus and Mars

Q109. Who among the following first said that the earth is round?

  1. AAristotle
  2. BCopernicus
  3. CStrabo
  4. Dnone of these
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Answer: A) Aristotle

Q110. The axis of the Earth is-

  1. Abent over
  2. Bvertical
  3. Chorizontal
  4. Dcyclical
Show answer & explanation

Answer: A) bent over

Q111. Apart from Earth, on which planet is the atmosphere found?

  1. AMercury
  2. BJupiter
  3. CVesper
  4. DFortunate
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Answer: D) Fortunate

Q112. The planet that appears red in colour is-

  1. AVesper
  2. BSaturn
  3. CFortunate
  4. DJupiter
Show answer & explanation

Answer: C) Fortunate

Q113. Apart from Earth, on which planet is seasonal change possible?

  1. AArun
  2. BVarun
  3. CFortunate
  4. DJupiter
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Answer: C) Fortunate

Q114. Apart from Earth, on which planet is there a possibility of human presence?

  1. AFortunate
  2. BMercury
  3. CVesper
  4. DSaturn
Show answer & explanation

Answer: A) Fortunate

Q115. The spacecraft that landed on Mars for the first time is -

  1. AMir
  2. Badventure
  3. CRohini
  4. Dpath finder
Show answer & explanation

Answer: D) path finder

Q116. In which other than Earth is there a possibility of life, because the environment there is very suitable for life?

  1. AJupiter
  2. BFortunate
  3. CEuropa
  4. DMoon
Show answer & explanation

Answer: B) Fortunate

Q117. The length of a planet's day and the tilt of its axis are approximately equal to the length of Earth's day and tilt.

  1. AAbout Uranus
  2. BAbout Neptune
  3. CAbout Saturn
  4. DAbout Mars
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Answer: D) About Mars

Q118. Which is the smallest satellite in the solar system?

  1. APhobos
  2. BDeimos
  3. CLeda
  4. DFardelia
Show answer & explanation

Answer: B) Deimos

Q119. Which planet appears red in the night sky?

  1. AMercury
  2. BFortunate
  3. CJupiter
  4. DSaturn
Show answer & explanation

Answer: B) Fortunate

Q120. The largest planet in the solar system is-

  1. AUranus
  2. BShuk
  3. CJupiter
  4. DSaturn
Show answer & explanation

Answer: C) Jupiter

Q121. What do the red spots on the planet Jupiter indicate?

  1. Agas
  2. Bliquids
  3. Cturbulent clouds
  4. Dland
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Answer: C) turbulent clouds

Q122. To explore which planet did the United States send a spacecraft named "Galileo"?

  1. AFortunate
  2. BJupiter
  3. CNeptune
  4. DSaturn
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Answer: B) Jupiter

Q123. 'Magellan Expedition' is related to which planet?

  1. AFortunate
  2. BSaturn
  3. CJupiter
  4. DVesper
Show answer & explanation

Answer: C) Jupiter

Q124. 'Comet Shoemaker-Levy-9' collided with which planet?

  1. AVesper
  2. BFortunate
  3. CJupiter
  4. DSaturn
Show answer & explanation

Answer: C) Jupiter

Q125. Which of the following planets takes the maximum time to revolve around the Sun?

  1. AEarth
  2. BJupiter
  3. CFortunate
  4. DVesper
Show answer & explanation

Answer: B) Jupiter

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