Layers of the Atmosphere

In which layer of the atmosphere where nearly all weather phenomena occur?

• A. Mesosphere

• B. Stratosphere

• C. Thermosphere

• D. Troposphere

What are the most abundant gases in Earth’s atmosphere?

• A. Nitrogen and Oxygen

• B. Nitrogen and Hydrogen

• C. Carbon Dioxide and Oxygen

• D. Carbon Dioxide and Nitrogen

In which layer of the atmosphere do planes fly to get out from the weather

disturbances?

• A. Exosphere

• B. Mesosphere

• C. Stratosphere

• D. Thermosphere

In which layer of the earth’s atmosphere does meteoroids burn up?

• A. Mesosphere

• B. Stratosphere

• C. Thermosphere

• D. Troposphere

Layers of the atmosphere are classified according to changes in temperature. Is

the statement correct?

• A. No, because it depends on the events that is happening on that layer.

• B. Yes, because from troposphere to exosphere the temperature is gradually

  increasing.

• C. No, because layers of the atmosphere were classified based on their altitude

  alone.

• D. Yes, because there is a significant change in temperature in each layers of the

  atmosphere.

What happens to the temperature as you go higher in the troposphere?

• A. It increases.

• B. It decreases.

• C. It stays the same.

• D. It increases then decreases.

Which layer protects us from harmful ultraviolet rays?

• A. Mesosphere

• B. Stratosphere

• C. Troposphere

• D. Ozone layer

What is the correct order of Earth's atmospheric layers from bottom to top?

I. Exosphere II. Mesosphere III. Stratosphere

IV. Thermosphere V. Troposphere

• A. III, IV, V, I, II

• B. V, IV, III, II, I

• C. V, III, II, IV, I

• D. III, V, II, IV, II

Which of the following is considered to be as the coldest layer?

• A. Ionosphere

• B. Mesosphere

• C. Stratosphere

• D. Thermosphere

What are the vital roles of Earth’s atmosphere?

I. Creates meteors in the sky

II. Provides the oxygen that we breathe

III. Protects us from harmful UV radiation

IV. Helps regulate the temperature on Earth

• A. II and III only

• B. III and IV only

• C. I, II and III only

• D. II, III and IV only