Quiz on Atmospheric Layers

What is the primary function of the atmosphere?

• To support plant growth

• To protect the Earth from solar radiation

• To provide oxygen for breathing

• To create weather patterns

Which layer of the atmosphere is closest to the Earth's surface?

• Thermosphere

• Stratosphere

• Troposphere

• Mesosphere

What phenomenon occurs in the thermosphere?

• Ozone depletion

• Weather events

• Meteor showers

• Auroras

At what altitude does the stratosphere begin?

• 60 km

• 80 km

• 12 km

• 0 km

What is the main gas found in the atmosphere?

• Argon

• Oxygen

• Nitrogen

• Carbon Dioxide

Which layer of the atmosphere contains the ozone layer?

• Ionosphere

• Troposphere

• Stratosphere

• Mesosphere

What is the temperature range in the mesosphere?

• -50°C to 70°C

• -46°C to -50°C

• 0°C to 50°C

• -50°C to -70°C

What happens to meteors when they enter the mesosphere?

• They burn up

• They become visible as stars

• They explode

• They float

What is the highest layer of the atmosphere?

• Stratosphere

• Ionosphere

• Exosphere

• Thermosphere

Which gas is essential for plant photosynthesis?

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide