Question 1

What is the most abundant element in the Earth's atmosphere?

Accepted Answer

nitrogen

Answer

carbon dioxide

Answer

argon

Answer

oxygen

Question 2

What is the correct order of Earth's atmosphere?

Accepted Answer

Troposphere>Stratosphere>Mesosphere>Thermosphere>Exosphere

Answer

Stratosphere>Mesosphere>Troposphere>Thermosphere>Exosphere

Answer

Stratosphere>Troposphere>Thermosphere>Mesosphere>Exosphere

Answer

Troposphere>Mesosphere>Stratosphere>Thermosphere>Exosphere

Question 3

Which layer of the atmosphere contains the ozone layer?

Accepted Answer

Stratosphere

Answer

Troposphere

Answer

Thermosphere

Answer

Mesosphere

Question 4

In which layer do virtually all weather phenomena take place?

Accepted Answer

Troposphere

Answer

Stratosphere

Answer

Mesosphere

Answer

Exosphere

Question 5

In which atmospheric layer is most water vapor found?

Accepted Answer

Troposphere

Answer

Mesosphere

Answer

Stratosphere

Answer

Thermosphere

Question 6

What is the basis for the division of the layers of the atmosphere surrounding Earth?

Accepted Answer

changing temperature

Answer

changing weather patterns

Answer

changing composition

Answer

changing amount of oxygen

Question 7

Why is the presence of ozone above the troposphere is important for the survival of living things on Earth?

Accepted Answer

It offers protection from the Sun's harmful UV rays.

Answer

It warms Earth's surface.

Answer

It helps in cloud formation.

Answer

It makes jet flying more comfortable.

Question 8

Which of the following correctly describes the stratosphere?

Accepted Answer

It is an atmospheric ozone layer.

Answer

It has high concentration of ionized particles.

Answer

Its is a layer extending to a height of about 8 km.

Answer

It is a layer important to telecommunications.

Question 9

Temperature decreases with altitude in the ____________________.

Accepted Answer

mesosphere

Answer

stratosphere

Answer

troposphere

Answer

exosphere

Question 10

What happens to the temperature in the troposphere as altitude increases?

Accepted Answer

It decreases.

Answer

It is unpredictable.

Answer

It increases.

Answer

It remains the same.

Question 11

The most significant feature of the ancient atmosphere was the absence of __________.

Accepted Answer

oxygen

Answer

argon

Answer

nitrogen

Answer

carbon dioxide

Question 12

Which two gases make up the majority of the earth’s gases?

Accepted Answer

nitrogen and oxygen

Answer

oxygen and methane

Answer

oxygen and propane

Answer

nitrogen and carbon dioxide

Question 13

Which of the following is not a constituent of the atmosphere?

Accepted Answer

aluminum

Answer

nitrogen

Answer

oxygen

Answer

carbon dioxide

Question 14

Which description pertains to the layer of the atmosphere called troposphere?

Accepted Answer

The bottom layer where water vapor condenses.

Answer

The upper middle layer which is characterized by decreasing temperatures with height.

Answer

The outermost layer where air is extremely hot due to conversion of solar energy into heat.

Answer

The lower middle layer where ozone is mostly found.

Question 15

Which of the following is not true about Ozone?

Accepted Answer

It is just like regular oxygen.

Answer

It contains 3 oxygen atoms.

Answer

It makes up a layer in our atmosphere found in the stratosphere

Answer

It protects us from UV light.

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