Environmental Studies · 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

What is the name of the main constituent of LPG?

  1. Methane

  2. Butane

  3. Ethane

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

LPG (Liquefied Petroleum Gas) is primarily composed of propane and butane. While both are constituents, propane is often cited as a major component in many standard mixtures.

Multiple choice

What amount of carbon is present in atmosphere as CO2?

  1. 0.03 %

  2. 0.02 %

  3. 0.01 %

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The concentration of carbon dioxide in the Earth's atmosphere is approximately 0.03 to 0.04 percent by volume. Among the choices provided, 0.03% is the standard accepted value.

Multiple choice

The gas mainly responsible for Green House effect is

  1. nitrogen

  2. oxygen

  3. carbon dioxide

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

Carbon dioxide is the primary greenhouse gas emitted through human activities, such as burning fossil fuels, and is the main driver of the greenhouse effect.

Multiple choice

Global warming is caused due to increased level of

  1. methyl oxide

  2. chlorofluorocarbon

  3. acidic gases

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

 Global warming is caused by greenhouse gases which absorb radiation in infrared region and increase the temperature.

Multiple choice

The atmosphere of Jupiter consists mostly of

  1. hydrogen and helium

  2. hydrogen and carbon monoxide

  3. hydrogen and carbon dioxide

  4. hydrogen and methane
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The atmosphere of jupiter consist of hydrogen and helium

Multiple choice

Which of the following is not a greenhouse gas?

  1. Methane

  2. Water vapour

  3. Nitrogen

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

Nitrogen makes up the majority of the Earth's atmosphere but is not a greenhouse gas, unlike methane, water vapor, and carbon dioxide.

Multiple choice

Methane is formed by

  1. the decomposition of animal and vegetable matter

  2. the decomposition of vegetable matter

  3. the decomposition of animal matter

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Decomposition (or rotting) is the process by which organic substances are broken down into simpler forms of matter and produces a gas called methane.

Multiple choice

The percentage of carbon dioxide in the atmosphere is

  1. 0.03 to 0.04%

  2. 21%

  3. 2.45%

  4. 7.8%
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The percentage of carbon dioxide in the atmosphere is .03% .04%. In 2009, the CO2 global average concentration in Earth's atmosphere was about 0.0387% by volume, or 387 parts per million by volume.