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 sector is the largest contributor to global greenhouse gas emissions?

  1. Transportation

  2. Industry

  3. Electricity Generation

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

Electricity generation, particularly from fossil fuel-based power plants, is the largest contributor to global greenhouse gas emissions.

Multiple choice

Which of the following is a greenhouse gas?

  1. Oxygen

  2. Carbon Dioxide

  3. Nitrogen

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

Carbon Dioxide is a greenhouse gas that traps heat in the atmosphere, contributing to global warming.

Multiple choice

Which sector contributes the most to greenhouse gas emissions globally?

  1. Transportation

  2. Agriculture

  3. Industry

  4. Residential and Commercial Buildings
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Industry is the largest contributor to greenhouse gas emissions globally, primarily due to the burning of fossil fuels for energy production.

Multiple choice

What is the primary source of methane, a potent greenhouse gas?

  1. Volcanic Eruptions

  2. Forest Fires

  3. Agriculture

  4. Industrial Processes
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Agriculture, particularly livestock production and rice cultivation, is the primary source of methane emissions.

Multiple choice

Which of the following is a greenhouse gas with a relatively short atmospheric lifetime?

  1. Carbon Dioxide

  2. Methane

  3. Nitrous Oxide

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

Methane is a greenhouse gas with a relatively short atmospheric lifetime compared to carbon dioxide.

Multiple choice

Which of the following molecules is thought to be responsible for the origin of life on Earth?

  1. H2O

  2. CO2

  3. CH4

  4. NH3
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

The origin of life on Earth is thought to have involved a combination of H2O, CO2, CH4, and NH3, which are known as the prebiotic molecules.

Multiple choice

Which of the following molecules is responsible for the characteristic green color of many planetary atmospheres?

  1. O2

  2. N2

  3. CO2

  4. CH4
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

CH4 is responsible for the characteristic green color of many planetary atmospheres, such as Uranus and Neptune.

Multiple choice

Which of the following is a major contributor to greenhouse gas emissions in India?

  1. Solar Energy

  2. Wind Energy

  3. Coal-fired Power Plants

  4. Electric Vehicles
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Coal-fired power plants are a significant source of greenhouse gas emissions, particularly carbon dioxide, due to the combustion of coal for electricity generation.

Multiple choice

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

  1. Nitrogen

  2. Oxygen

  3. Argon

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

Nitrogen is the most abundant gas in the Earth's atmosphere, making up about 78.08% of its volume.

Multiple choice

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

  1. Oxygen

  2. Argon

  3. Carbon Dioxide

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

Oxygen is the second most abundant gas in the Earth's atmosphere, making up about 20.95% of its volume.

Multiple choice

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

  1. Argon

  2. Carbon Dioxide

  3. Water Vapor

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

Argon is the third most abundant gas in the Earth's atmosphere, making up about 0.93% of its volume.

Multiple choice

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

  1. Carbon Dioxide

  2. Water Vapor

  3. Methane

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

Carbon Dioxide is the fourth most abundant gas in the Earth's atmosphere, making up about 0.04% of its volume.

Multiple choice

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

  1. Water Vapor

  2. Methane

  3. Nitrous Oxide

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

Water Vapor is the fifth most abundant gas in the Earth's atmosphere, making up about 0.03% of its volume.

Multiple choice

What is the primary greenhouse gas emitted by industrial activities?

  1. Carbon Dioxide (CO2)

  2. Methane (CH4)

  3. Nitrous Oxide (N2O)

  4. Sulfur Dioxide (SO2)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

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

Multiple choice

Which industrial sector is responsible for the largest share of global carbon dioxide emissions?

  1. Transportation

  2. Electricity and Heat Production

  3. Manufacturing

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

The electricity and heat production sector is responsible for the largest share of global carbon dioxide emissions, primarily due to the burning of fossil fuels for electricity generation.