The origin of the Earth is a big question for all and always and has fascinated scientists, philosophers, and thinkers for centuries. Various theories have been proposed over time to explain how our earth evolved and besides that how the planet formed and evolved. These include early mythological ideas, scientific hypotheses like the Nebular Hypothesis, the Planetesimal Hypothesis, and the Big Bang Theory (in relation to the broader universe). Understanding these theories provides essential insights into the processes that shaped not only Earth but also the entire solar system.
The following multiple-choice questions will test your knowledge on the key concepts related to the origin and early development of the Earth.
Let’s start the multiple-choice questions on “origin of the Earth”.
01) Which of the following hypothesis suggests that the solar system developed from a rotating cloud of gas and dust?
A) Planetesimal Hypothesis
B) Nebular Hypothesis
C) Tidal Hypothesis
D) Big Bang Theory
Correct answer is option “B”
02) Who from the following proposed in the 18th century about the Nebular Hypothesis?
A) Immanuel Kant
B) Edwin Hubble
C) Charles Darwin
D) Albert Einstein
Correct answer is option “A”
03) The Big Bang Theory explains the origin of which of the following?
A) The Earth
B) The Sun
C) The Solar System
D) The Universe
Correct answer is option “D”
04) What is the approximate age of the Earth is correct from the given options?
A) 2.5 billion years
B) 4.6 billion years
C) 6.5 billion years
D) 3.5 billion years
Correct answer is option “B”
05) What are planetesimals from the given options?
A) Large rocks in the asteroid belt
B) Small celestial bodies that formed planets
C) Tiny particles of dust
B) Gas clouds
Correct answer is option “B”
06) According to the Nebular Hypothesis, the Sun formed at the center and the planets formed from which of the following material?
A) Escaping gases
B) Cooling magma
C) Solar winds
D) Remaining material
Correct answer is option “D”
07) Which scientist is associated with the modern version of the Nebular Hypothesis from the following?
A) Laplace
B) Einstein
C) Newton
D) Copernicus
Correct answer is option “A”
08) The Tidal Hypothesis was proposed by whom from the following?
A) Chamberlin and Moulton
B) Hubble and Einstein
C) James Jeans and Harold Jeffreys
D) Wegener and Darwin
Correct answer is option “C”
09) Which of the following theory suggests that a passing star would be pulled material from the Sun to form planets?
A) Big Bang Theory
B) Nebular Hypothesis
C) Planetesimal Hypothesis
D) Tidal Hypothesis
Correct answer is option “D”
10) The Planetesimal Hypothesis was proposed by whom from the following?
A) Kant and Laplace
B) Chamberlin and Moulton
C) Jeans and Jeffreys
D) Hubble and Wegener
Correct answer is option “B”
11) Which option is correct for the core idea of the Planetesimal Hypothesis?
A) Planets formed from gas clouds
B) Planets formed from the breakup of a larger body
C) Planets formed by the accumulation of small bodies
D) Planets formed by fission
Correct answer is option “C”
12) The gas cloud from which the solar system formed is called_______.
A) Galaxy
B) Nebula
C) Meteorite
D) Comet
Correct answer is option “B”
13) The Earth’s earliest atmosphere primarily found which of the following contents?
A) Oxygen and nitrogen
B) Carbon dioxide and water vapor
C) Hydrogen and helium
D) Methane and ammonia
Correct answer is option “C”
14) The Earth’s second atmosphere was rich in which of the following particles and gases?
A) Nitrogen and oxygen
B) Water vapor, carbon dioxide, and ammonia
C) Hydrogen and helium
D) Helium and argon
Correct answer is option “B”
15) The process by which lighter elements moved outward and heavier elements sank to the center of the Earth is called from the following?
A) Differentiation
B) Convection
C) Radiation
D) Conduction
Correct answer is option “A”
16) The Moon is believed to have formed by which of the following theory?
A) Capture Theory
B) Twin Formation Theory
C) Giant Impact Hypothesis
D) Volcanic Eruption
Correct answer is option “C”
17) The study of the origin of the Earth is part of which of the following scientific branch?
A) Biology
B) Astronomy
C) Meteorology
D) Geology
Correct answer is option “D”
18) Which of the following option is correct that during which geological era the earliest life forms appeared?
A) Proterozoic
B) Phanerozoic
C) Archean
D) Hadean
Correct answer is option “C”
19) As per the Big Bang Theory what were the primary causes from the following of the expansion of the Universe?
A) A massive explosion
B) Solar winds
C) A cosmic storm
D) Gravitational collapse
Correct answer is option “A”
20) The solar nebula collapsed under its own_____.
A) Magnetism
B) Gravity
C) Energy
D) Speed
Correct answer is option “B”
21) The solar system formed from a vast cloud of gas and dust, called a nebula, through a series of steps over billions of years. It is believed how many steps are there to form solar system from the following?
A) Four
B) Five
C) Six
D) Seven
Correct answer is option “C”
22) What was the percentage of the early solar nebula’s mass is now contained in the Sun?
A) 35%
B) 56%
C) 88%
D) 99%
Correct answer is option “D”
23) The layer of gases surrounding the Earth is known which of the following option?
A) Lithosphere
B) Atmosphere
C) Hydrosphere
D) Biosphere
Correct answer is option “B”
24) During Earth’s early formation, which process caused intense heating from the following?
A) Gravitational compression
B) Volcanism
C) Solar radiation
D) Earthquake activity
Correct answer is option “A”
25) Which of the following planet is known as “sister planet of Earth” due to its similar size and composition?
A) Mars
B) Mercury
C) Venus
D) Jupiter
Correct answer is option “C”
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All the best for a bright future