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

What is the primary greenhouse gas emitted by livestock during digestion?

  1. Carbon dioxide

  2. Methane

  3. Nitrous oxide

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

Livestock, particularly cattle, emit methane during digestion, which is a potent greenhouse gas contributing to climate change.

Multiple choice

What is the primary greenhouse gas emitted from food waste decomposition?

  1. Carbon dioxide

  2. Methane

  3. Nitrous oxide

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

Methane is the primary greenhouse gas emitted from food waste decomposition.

Multiple choice

Which of the following is a major greenhouse gas emitted from rice cultivation?

  1. Carbon dioxide

  2. Methane

  3. Nitrous oxide

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

Rice cultivation is a major source of methane, a potent greenhouse gas with a global warming potential 25 times that of carbon dioxide.

Multiple choice

What is the primary mechanism by which rice cultivation contributes to methane emissions?

  1. Decomposition of organic matter in flooded fields

  2. Fertilizer application

  3. Burning of rice straw

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

When rice fields are flooded, the anaerobic conditions promote the decomposition of organic matter by methanogenic bacteria, leading to the production of methane.

Multiple choice

Which of the following factors can influence the amount of methane emitted from rice fields?

  1. Water management practices

  2. Soil type

  3. Temperature

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

Water management practices, soil type, and temperature can all affect the amount of methane emitted from rice fields. For example, continuous flooding leads to higher methane emissions compared to intermittent flooding or alternate wetting and drying.

Multiple choice

What is the primary greenhouse gas emitted by nuclear power plants?

  1. Carbon Dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous Oxide (N2O)

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nuclear power plants do not emit greenhouse gases during electricity generation.

Multiple choice

Which of the following is NOT a greenhouse gas?

  1. Carbon dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous oxide (N2O)

  4. Oxygen (O2)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oxygen (O2) is not a greenhouse gas, while carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) are all greenhouse gases.

Multiple choice

Which of the following gases is NOT a greenhouse gas?

  1. Carbon dioxide (CO2)

  2. Methane (CH4)

  3. Nitrogen dioxide (NO2)

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

Nitrogen dioxide (NO2) is not a greenhouse gas, although it is an air pollutant that contributes to smog and acid rain.

Multiple choice

What is the primary greenhouse gas emitted by human activities that contributes to global warming?

  1. Carbon dioxide

  2. Methane

  3. Nitrous oxide

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

Carbon dioxide is the primary greenhouse gas emitted by human activities, particularly through the burning of fossil fuels, and is a major contributor to global warming and climate change.

Multiple choice

What is the primary greenhouse gas emitted as a result of land use changes?

  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

Land use changes, particularly deforestation, release significant amounts of carbon dioxide into the atmosphere as trees and other vegetation are cleared and burned.

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 because it does not absorb infrared radiation.

Multiple choice

What is the name of the greenhouse gas that is most 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 greenhouse gas that is most responsible for climate change. It is produced by the burning of fossil fuels, such as coal, oil, and natural gas.

Multiple choice

What is the primary greenhouse gas emitted during the combustion of biomass?

  1. Carbon Dioxide

  2. Methane

  3. Nitrous Oxide

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

The combustion of biomass primarily releases carbon dioxide (CO2), a greenhouse gas that contributes to climate change.

Multiple choice

Which of the following is NOT a greenhouse gas?

  1. Carbon dioxide

  2. Methane

  3. Water vapor

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

Carbon dioxide, methane, and water vapor are all greenhouse gases, while nitrogen is not.

Multiple choice

Which of the following is a major source of greenhouse gas emissions?

  1. Transportation

  2. Industry

  3. Agriculture

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

Transportation is a major contributor to greenhouse gas emissions, primarily due to the burning of fossil fuels in vehicles.