MCQS on Atmosphere

Question 1

Which gas makes up the largest percentage of the Earth's atmosphere?

Accepted Answer

Nitrogen

Answer

Oxygen

Answer

Carbon Dioxide

Answer

Argon

Question 2

In which layer of the atmosphere does most weather occur?

Accepted Answer

Troposphere

Answer

Stratosphere

Answer

Mesosphere

Answer

Thermosphere

Question 3

The ozone layer is primarily located in which layer of the atmosphere?

Accepted Answer

Stratosphere

Answer

Troposphere

Answer

Mesosphere

Answer

Exosphere

Question 4

Which of the following is the coldest layer of the atmosphere?

Accepted Answer

Mesosphere

Answer

Troposphere

Answer

Stratosphere

Answer

Thermosphere

Question 5

Radio waves are reflected back to Earth by which layer of the atmosphere?

Accepted Answer

Ionosphere

Answer

Troposphere

Answer

Stratosphere

Answer

Exosphere

Question 6

Which gas is the most abundant noble gas in the Earth's atmosphere?

Accepted Answer

Argon

Answer

Neon

Answer

Helium

Answer

Krypton

Question 7

What is the primary cause of the 'Greenhouse Effect'?

Accepted Answer

Trapping of infrared radiation by atmospheric gases

Answer

Depletion of the ozone layer

Answer

Reflection of solar radiation by clouds

Answer

Increase in atmospheric oxygen

Question 8

Meteors typically burn up in which atmospheric layer?

Accepted Answer

Mesosphere

Answer

Troposphere

Answer

Stratosphere

Answer

Exosphere

Question 9

The boundary between the troposphere and the stratosphere is called the:

Accepted Answer

Tropopause

Answer

Mesopause

Answer

Stratopause

Answer

Thermopause

Question 10

Auroras (Northern and Southern Lights) occur primarily in the:

Accepted Answer

Thermosphere

Answer

Troposphere

Answer

Stratosphere

Answer

Mesosphere

MCQS on Atmosphere

Which gas makes up the largest percentage of the Earth's atmosphere?

In which layer of the atmosphere does most weather occur?

The ozone layer is primarily located in which layer of the atmosphere?

Which of the following is the coldest layer of the atmosphere?

Radio waves are reflected back to Earth by which layer of the atmosphere?

Which gas is the most abundant noble gas in the Earth's atmosphere?

What is the primary cause of the 'Greenhouse Effect'?

Meteors typically burn up in which atmospheric layer?

The boundary between the troposphere and the stratosphere is called the:

Auroras (Northern and Southern Lights) occur primarily in the:

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