Environmental Studies ยท General Awareness

Greenhouse Gases and Atmosphere

1,328 Questions

Review important questions related to greenhouse gases, global warming, and atmospheric changes. The practice set focuses on identifying major pollutants and their environmental impact. These concepts are tested in the general awareness and environmental studies sections.

Greenhouse gas identificationGlobal warming processAtmospheric carbon dioxideMethane emissionsCement production emissions

Greenhouse Gases and Atmosphere Questions

Multiple choice

Which of the following is NOT a greenhouse gas?

  1. Carbon dioxide

  2. Methane

  3. Water vapor

  4. Oxygen

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oxygen is not a greenhouse gas, as it does not trap heat in the atmosphere.

Multiple choice

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

  1. Nitrogen

  2. Oxygen

  3. Carbon Dioxide

  4. Argon

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nitrogen makes up approximately 78% of the Earth's atmosphere.

Multiple choice

What is the second most abundant gas in the Earth's atmosphere?

  1. Oxygen

  2. Carbon Dioxide

  3. Argon

  4. Water Vapor

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Oxygen makes up approximately 21% of the Earth's atmosphere.

Multiple choice

What is the third most abundant gas in the Earth's atmosphere?

  1. Carbon Dioxide

  2. Argon

  3. Water Vapor

  4. Methane

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Argon makes up approximately 0.93% of the Earth's atmosphere.

Multiple choice

What are the main greenhouse gases in the Earth's atmosphere?

  1. Carbon Dioxide

  2. Methane

  3. Nitrous Oxide

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The main greenhouse gases in the Earth's atmosphere are carbon dioxide, methane, and nitrous oxide.

Multiple choice

What is the impact of human activities on the composition of the Earth's atmosphere?

  1. Human activities have increased the concentration of greenhouse gases in the atmosphere

  2. Human activities have decreased the concentration of greenhouse gases in the atmosphere

  3. Human activities have had no impact on the concentration of greenhouse gases in the atmosphere

  4. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Human activities, such as the burning of fossil fuels, have increased the concentration of greenhouse gases in the atmosphere, leading to global warming and climate change.

Multiple choice

Which of the following is NOT a greenhouse gas?

  1. Carbon dioxide (CO2)

  2. Methane (CH4)

  3. Water vapor (H2O)

  4. Oxygen (O2)

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oxygen is not a greenhouse gas. Greenhouse gases are gases that trap heat in the atmosphere, causing the Earth's temperature to rise. Water vapor is a greenhouse gas, but it is a natural component of the atmosphere and does not contribute to climate change in the same way that human-produced greenhouse gases do.

Multiple choice

Which greenhouse gas is primarily responsible for the enhanced greenhouse effect and global warming?

  1. Carbon Dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous Oxide (N2O)

  4. Water Vapor (H2O)

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon Dioxide (CO2) is the main greenhouse gas contributing to the enhanced greenhouse effect and subsequent global warming.

Multiple choice

What is the primary greenhouse gas in the Earth's atmosphere?

  1. Carbon dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous oxide (N2O)

  4. Water vapor (H2O)

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon dioxide is the primary greenhouse gas in the Earth's atmosphere, accounting for approximately 60% of the greenhouse effect.

Multiple choice

Which of the following is NOT a major component of the atmosphere?

  1. Nitrogen

  2. Oxygen

  3. Carbon dioxide

  4. Argon

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Carbon dioxide is a minor component of the atmosphere, making up only about 0.04% of its volume.

Multiple choice

What is the primary greenhouse gas emitted by public transportation vehicles?

  1. Carbon dioxide

  2. Methane

  3. Nitrous oxide

  4. Hydrofluorocarbons

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Public transportation vehicles, particularly those powered by fossil fuels, emit carbon dioxide as a primary greenhouse gas, contributing to climate change.

Multiple choice

Which greenhouse gas is primarily responsible for human-induced climate change?

  1. Carbon Dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous Oxide (N2O)

  4. Water Vapor (H2O)

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon Dioxide (CO2) is the primary greenhouse gas responsible for human-induced climate change, contributing approximately 64% of the total greenhouse effect.

Multiple choice

Which sector is the largest contributor to global greenhouse gas emissions?

  1. Transportation

  2. Industry

  3. Agriculture

  4. Residential and Commercial Buildings

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Transportation is the largest contributor to global greenhouse gas emissions, accounting for approximately 24% of total emissions.

Multiple choice

Which greenhouse gas has the highest global warming potential?

  1. Carbon Dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous Oxide (N2O)

  4. Water Vapor (H2O)

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Methane (CH4) has a global warming potential 25 times higher than carbon dioxide (CO2) over a 100-year period.

Multiple choice

What is the primary greenhouse gas emitted by human activities?

  1. Carbon Dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous Oxide (N2O)

  4. Water Vapor (H2O)

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon Dioxide (CO2) is the primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels for energy production and transportation.