The elements that together make up the environment of the earth includes

  • wind and rainfall
  • air and vapors
  • temperature
  • all of above

The thickness of outer most layer of the Earth is

  • 25 to 90 km
  • 120 to 300 km
  • 50 to 100 km
  • 6 to 70 km

The first planet which is near most to the Sun is

  • Mercury
  • Venus
  • Earth
  • Mars

The galaxies are categorized on the basis of their shape which includes

  • spiral shape galaxies
  • elliptical galaxies
  • irregular galaxies
  • all of above

The third planet near the Sun after the planet Venus is

  • Mercury
  • Venus
  • Earth
  • Mars

The submerged range of mountains which ends to southern end of Africa from Arctic is classified as

  • Mid-African Ridge
  • Mid Eurasian Ridge
  • Mid-Arctic Ridge
  • Mid-Atlantic Ridge

The volcanic activity area is classified as

  • ridge
  • drift
  • crust
  • mantle

The shape of galaxy which is longer in only one direction and is more rounded is called

  • spiral shape galaxy
  • irregular shape galaxy
  • elliptical shape galaxy
  • regular shape galaxy

Out of the 3% of fresh water present on the Earth, the percentage of fresh water found in lakes and rivers is

  • 2.20%
  • 1%
  • 1.80%
  • 2%

The percentage of salt water present on the surface of the earth is

  • 75%
  • 80%
  • 90%
  • 97%

According to scientists, the gigantic explosion by which the universe came into being is called

  • universal theory
  • solar system theory
  • milky way theory
  • big bang theory

According to land mass, the most largest continent on the surface of Earth is

  • South America
  • Asia
  • North America
  • Europe

The large masses of land on the surface of the Earth is classified as

  • continents
  • oceans
  • hemispheres
  • longitudes

The great pieces on the outer layer of the earth are classified as

  • oceanic plates
  • Atlantic ridges
  • crustal plates
  • continental drifts

The theory which states that pieces of land on the earth surface were joined to each other and separated with the passage of time is classified as

  • crustal drift theory
  • oceanic drift theory
  • continental drift theory
  • Atlantic drift theory

The Milky Way galaxy is cluster of galaxies which is also known as

  • local group
  • big bang group
  • temperate group
  • none of the above

The second planet near the Sun after Mercury is

  • Earth
  • Mars
  • Mercury
  • Venus

The length of one day on planet Neptune is

  • 35 Earth hours
  • 30 Earth hours
  • 19.2 Earth hours
  • 25 Earth hours

In our solar system, the fifth planet is

  • Neptune
  • Uranus
  • Saturn
  • Jupiter

The community or collection of the stars is called

  • solar system
  • galaxy
  • planet
  • milky way
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