Environmental Studies ยท General Awareness

Greenhouse Gases and Atmosphere

1,262 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 (CO2)

  2. Methane (CH4)

  3. Nitrogen (N2)

  4. Water Vapor (H2O)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Nitrogen is not a greenhouse gas, although it makes up the majority of Earth's atmosphere.

Multiple choice

Which of the following is NOT a major source of greenhouse gas emissions from the private sector?

  1. Electricity generation

  2. Transportation

  3. Agriculture

  4. Forestry
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Forestry is a natural process that absorbs carbon dioxide from the atmosphere, so it is not a source of greenhouse gas emissions.

Multiple choice

The term 'greenhouse effect' refers to:

  1. The trapping of heat in the Earth's atmosphere by greenhouse gases

  2. The release of heat from the Earth's surface into the atmosphere

  3. The absorption of heat by the Earth's atmosphere

  4. The reflection of heat from the Earth's surface
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The greenhouse effect is the trapping of heat in the Earth's atmosphere by greenhouse gases, such as carbon dioxide, methane, and nitrous oxide, which absorb and emit radiation within the thermal infrared range.

Multiple choice

What is the primary greenhouse gas emitted from agricultural activities?

  1. Carbon Dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous Oxide (N2O)

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Agriculture contributes to greenhouse gas emissions through the release of carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).

Multiple choice

Which agricultural practice is a significant contributor to methane emissions?

  1. Fertilizer Application

  2. Livestock Production

  3. Crop Residue Burning

  4. Irrigation
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Livestock production, particularly the enteric fermentation process in ruminant animals, is a major source of methane emissions in agriculture.

Multiple choice

What is the primary source of carbon dioxide emissions in agriculture?

  1. Fossil Fuel Use

  2. Deforestation

  3. Livestock Respiration

  4. Crop Residue Decomposition
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Fossil fuel use for agricultural machinery, transportation, and heating contributes significantly to carbon dioxide emissions in agriculture.

Multiple choice

How do nitrogen fertilizers contribute to climate change?

  1. By releasing carbon dioxide, a greenhouse gas

  2. By releasing methane, a greenhouse gas

  3. By releasing nitrous oxide, a greenhouse gas

  4. Both A and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nitrogen fertilizers contribute to climate change primarily through the release of nitrous oxide, a greenhouse gas that is 298 times more potent than carbon dioxide, and also by releasing carbon dioxide during their production and application.

Multiple choice

What percentage of global greenhouse gas emissions can be attributed to food waste?

  1. 5%

  2. 10%

  3. 15%

  4. 20%
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Food waste is responsible for approximately 10% of global greenhouse gas emissions, making it a significant contributor to climate change.

Multiple choice

What is the primary greenhouse gas responsible for climate change?

  1. Carbon dioxide

  2. Methane

  3. Nitrous oxide

  4. Water vapor
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon dioxide is the primary greenhouse gas responsible for climate change, accounting for approximately 60% of the greenhouse effect.

Multiple choice

Which of the following is a major source of methane, a potent greenhouse gas?

  1. Landfills

  2. Agriculture

  3. Natural gas production

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Landfills, agriculture, and natural gas production are all major sources of methane, a potent greenhouse gas.

Multiple choice

What is the primary greenhouse gas emitted by human activities that contributes to 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 emitted by human activities that contributes to climate change. It is released into the atmosphere through the burning of fossil fuels, deforestation, and other industrial processes.

Multiple choice

Which of the following sectors contributes the most to global greenhouse gas emissions?

  1. Energy

  2. Transportation

  3. Industry

  4. Agriculture
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The energy sector is the largest contributor to global greenhouse gas emissions. It includes emissions from electricity generation, heating, and transportation. Burning fossil fuels for energy production releases significant amounts of carbon dioxide and other greenhouse gases.

Multiple choice

What is the primary greenhouse gas 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 emitted through human activities, such as burning fossil fuels, deforestation, and industrial processes.

Multiple choice

Which of the following is not a greenhouse gas?

  1. Carbon dioxide

  2. Methane

  3. Nitrous oxide

  4. Oxygen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oxygen is not a greenhouse gas.

Multiple choice

What is the primary greenhouse gas emitted by the burning of fossil fuels?

  1. Carbon dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous oxide (N2O)

  4. Hydrofluorocarbons (HFCs)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Carbon dioxide (CO2) is the primary greenhouse gas emitted by the burning of fossil fuels. It is a major contributor to climate change.