quiz

Origin of the Earth

Origin of Earth: Exploring the Formation of Our Planet

1. How old is the Earth?

  • A) 4.5 million years
  • B) 4.5 billion years
  • C) 45 million years
  • D) 45 billion years
B) 4.5 billion years Explanation

2. Which scientific theory explains the origin of the Earth?

  • A) Theory of Evolution
  • B) Quantum Mechanics
  • C) Plate Tectonics
  • D) Nebular Hypothesis
D) Nebular Hypothesis Explanation

3. Which one of the following has the longest duration in geological time scale?

  • A) Eons
  • B) Era
  • C) Period
  • D) Epoch
A) Eons Explanation

4. What is geochronology?

  • A) The study of ancient climates
  • B) The study of geological structures
  • C) The study of Earth's magnetic field
  • D) The study of determining the ages of rocks and geological events
D) The study of determining the ages of rocks and geological events Explanation

5. How did the Earth’s oceans form?

  • A) Condensation of water vapor in the atmosphere
  • B) Extraterrestrial delivery of water-rich comets
  • C) Outgassing from volcanic activity
  • D) All of the above
D) All of the above Explanation

6. Who first proposed the Giant Impact Hypothesis?

  • A) Carl Sagan
  • B) Reginald Daly
  • C) Albert Einstein
  • D) James Hutton
B) Reginald Daly Explanation

7. During which geological eon did Earth form?

  • A) Archean Eon
  • B) Proterozoic Eon
  • C) Hadean Eon
  • D) Phanerozoic Eon
C) Hadean Eon Explanation

8. What is the primary process responsible for shaping Earth’s continents and oceans?

  • A) Volcanic eruptions
  • B) Photosynthesis
  • C) Plate tectonics
  • D) Fossilization
C) Plate tectonics Explanation

9. What event in Earth’s history is known as the “Great Oxidation Event”?

  • A) The formation of the Himalayan Mountains
  • B) The emergence of photosynthetic organisms
  • C) The eruption of the Yellowstone supervolcano
  • D) The migration of early humans out of Africa
B) The emergence of photosynthetic organisms Explanation

10. What is a paleoatmosphere?

  • A) The current atmosphere of Earth
  • B) An atmosphere on another planet
  • C) An atmosphere that existed in the past on Earth
  • D) An atmosphere created by human activity
C) An atmosphere that existed in the past on Earth Explanation

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