Which is the earth consisting of solid portion?
  • The Atmosphere
  • Hydrosphere
  • The Lithosphere
  • All of these
Which is the largest continent?
  • Asia
  • Africa
  • Australia
  • None of these
What is biosphere?
  • Narrow zone
  • Broad zone
  • Both (a) and (b)
  • None of these
Which gas is responsible for global warming?
  • O2
  • CO2
  • N2
  • H2
The Arctic Circle passes through
  • Asia
  • Europe
  • North America
  • All of these
Which longest river flows through Africa?
  • The Ganga
  • The Yamuna
  • The Nile
  • None of these
Which of the following is the smallest continent?
  • Africa
  • Asia
  • Australia
  • Antarctica
Where is more than 97% of water found on the earth?
  • In rivers
  • In wells
  • In ocean
  • None of these
Why do humans not use the ocean water?
  • Too sour
  • Too salty
  • Too sweet
  • All of these
The earth surrounded by a layer of gases is called
  • The lithosphere
  • The atmosphere
  • The hydrosphere
  • All of these
Which gas is the major constituent of the atmosphere by percentage?
  • Oxygen
  • Carbon dioxide
  • Carbon monoxide
  • Nitrogen
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0