The oceans were formed within __________ from the formation of the earth.
  • 500 million years ago
  • 300 million years ago
  • 400 million years ago
  • 200 million years ago
Which one of the following is not related to the formation or modification of the present atmosphere?
  • Solar winds
  • Differentiation
  • Degassing
  • Photosynthesis
Why are the terrestrial planets rocky?
  • These planets are smaller
  • They could not hold the escaping gases
  • Both a and b
  • None of these
The terrestrial planets were formed in the close vicinity of the
  • Parent star
  • Asteroids
  • Escaping gases
  • Outer planets
Which one of the following has the longest duration?
  • Eons
  • Period
  • Era
  • Epoch
Firstly life on the earth was originated in
  • Water
  • Air
  • Plain land
  • Mountains
The wrong statement in relation to terrestrial planets is
  • they are formed at quite a distant location.
  • they have low gravitational pull.
  • they could not hold the escaping gases.
  • they are made up of rocks and metal, and have relatively high densities.
Water vapours and gases in the atmosphere were contributed by
  • magnetism
  • seismic activities
  • volcanism
  • tectonic activity
Which one of the following experts gave the nebular hypothesis?
  • Immunal kant
  • Lalpace
  • Chamberlain
  • Moulton
What is the diameter of Galaxies?
  • Between 80 thousands to 1, 50,000 light years
  • Between 70 thousands to 1, 30,000 light years
  • Between 50 thousands to 1, 10,000 light years
  • Between 30 thousands to 1, 20,000 light years
Fossils are
  • remains of plants and animals in the rocks
  • the old rocks
  • the old books related to the origin of the earth
  • the dust particles
The inner planets mean
  • Planets between the sun and the earth
  • Planets between the sun and the belt of asteroids
  • Planets in gaseous state
  • Planets without satellite(s)
What is the distance between the Earth and the Sun?
  • 149.6 Millions kms
  • 15.98 Millions kms
  • 169.34 Millions kms
  • 179.67 Millions kms
Expansion of universe means
  • increase in the number of stars.
  • increase in space between the galaxies.
  • discovery of new celestial bodies.
  • increase in the speed of rotation of planets.
Which one of the following experts gave the Collision Hypothesis?
  • Immunal kant
  • Lalpace
  • Chamberlain
  • Sir James and Harold Jeffrey
Who suggested that the earth and the moon formed a single rapidly rotating body?
  • Sir George
  • Sir Chamberlain
  • Sir Moulton
  • None of these
Big-Bang theory was postulated by
  • Georges Lemaitre
  • Edwin Hubble
  • Schmidt
  • Wegener
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