Major Domains of Earth

Which is the earth consisting of solid portion?

• Atmosphere

• Hydrosphere

• Lithosphere

• Stratosphere

Which is the largest continent?

• America

• Australia

• Asia

• None of the above

What is biosphere?

• Narrow zone

• Broad zone

• Both a and b

• None of the above

Which gas is responsible for global warming?

• O₂

• CO₂

• N₂

• H₂

The Arctic Circle passes through

• Asia

• Europe

• North America

• All of these

Why do humans not use the ocean water?

• Too sour

• Too salty

• Too sweet

• All of these

Which gas is the major constituent of the atmosphere by percentage?

• Oxygen

• Carbon Dioxide

• Carbon monoxide

• Nitrogen

The earth surrounded by a layer of gases is called

• Lithosphere

• Atmosphere

• Hydrosphere

• Biosphere

Where is more than 97% of water found on the earth?

• None of these

• Rivers

• Wells

• Ocean

Which longest river flows through Africa?

• Ganga

• Yamuna

• Amazon

• Nile