Air

Which gas released in the atmosphere creates a greenhouse effect trapping the heat?

• Carbon dioxide

• Oxygen

• Nitrogen

• All of these

What are the important objects for survival of plants and animals?

• Rainfall

• Sunlight

• Oxygen

• All of these

Which one of the following gases is present in the atmosphere in the highest amount?

• Oxygen

• Carbon dioxide

• Nitrogen

• Lithium

When the air is heated it becomes

• Lighter

• Heavier

• Colder

• None of these

Which element of weather is measured in degree Celsius?

• Temperature

• Pressure

• Wind

• Gravity

Where is the air pressure highest?

• Moon

• Sea Level

• Stratosphere

• Exosphere

Rain, snow sleet or hail are the different forms of:

• Condensation

• Evaporation

• Precipitation

• All of these

What is very hot wind called?

• Loo

• Cool breeze

• Monsoon air

• Trade wind

Which of the following are part of weather forecast in the newspapers?

• Temperature

• Humidity

• Time of Sunset

• All of These

What is the average height of the troposphere?

• 3 km

• 6 km

• 9 km

• 13 km