Mercury MCQs with answers Page - 6

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Q. The heavily cratered terrain on Mercury indicates that:

  • (A) It is geologically young
  • (B) It is geologically old
  • (C) It is an active volcanic world
  • (D) It has high tectonic activity

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Q. Which type of rotation-resonance relationship does Mercury exhibit?

  • (A) 1:1
  • (B) 3:2
  • (C) 2:1
  • (D) 5:2

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Q. Which planet is most similar to Mercury in surface appearance?

  • (A) Venus
  • (B) Moon
  • (C) Mars
  • (D) Earth

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Q. Mercury's thin atmosphere is constantly replenished by:

  • (A) Solar wind and micrometeoroid impacts
  • (B) Volcanic eruptions
  • (C) Oxygen from ice
  • (D) Plant life

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Q. What is the albedo (reflectivity) of Mercury’s surface?

  • (A) 0.68
  • (B) 0.12
  • (C) 0.45
  • (D) 0.90

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Q. Which of these characteristics is NOT true for Mercury?

  • (A) Closest planet to the Sun
  • (B) Has a thick atmosphere
  • (C) No moons
  • (D) Rocky surface

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Q. The presence of scarps (cliffs) on Mercury suggests:

  • (A) The planet is expanding
  • (B) The planet is shrinking
  • (C) Constant volcanic activity
  • (D) Tidal locking

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Q. Mercury's orbital inclination is approximately:

  • (A) 0°
  • (B) 3°
  • (C) 7°
  • (D) 12°

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Q. What is Mercury's escape velocity?

  • (A) 4.25 km/s
  • (B) 5.03 km/s
  • (C) 9.8 km/s
  • (D) 11.2 km/s

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Q. Mercury's perihelion precession was explained by which theory?

  • (A) Newton's Law
  • (B) Theory of Relativity
  • (C) Kepler's Laws
  • (D) Copernican Model
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