How Much Do You Know About Atmosphere?
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Take the online quiz to test your knowledge and learn interesting trivia about the structure and composition of Earth's atmosphere.
Questions and Answers
- 1.
When humans burn fossil fuels, most of the carbon quickly enters the as carbon dioxide.
- A.
Sun
- B.
Atmosphere
- C.
Water
- D.
Air
Correct Answer
B. AtmosphereExplanation
When humans burn fossil fuels, most of the carbon quickly enters the atmosphere as carbon dioxide. This is because the combustion process releases carbon atoms from the fossil fuels, which then combine with oxygen in the air to form carbon dioxide. The carbon dioxide is then released into the surrounding environment, primarily the atmosphere. This process contributes to the increase in greenhouse gases in the atmosphere, leading to global warming and climate change.Rate this question:
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- 2.
Which one of these does not add CO2 to the atmosphere?
- A.
Cooking with gas
- B.
Planting trees
- C.
Burning wood
- D.
Riding in a bus
Correct Answer
B. Planting treesExplanation
Planting trees does not add CO2 to the atmosphere because trees absorb CO2 through the process of photosynthesis. During photosynthesis, trees take in CO2 and convert it into oxygen, releasing it back into the atmosphere. Therefore, planting trees actually helps to reduce the amount of CO2 in the atmosphere by acting as a natural carbon sink.Rate this question:
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- 3.
What does not produce carbon dioxide?
- A.
Photosynthesis
- B.
Burning Fossil Fuels
- C.
Animal respiration
- D.
Plants decaying
Correct Answer
A. PhotosynthesisExplanation
Photosynthesis is the process by which plants convert carbon dioxide and water into glucose and oxygen, using sunlight as the energy source. During this process, carbon dioxide is taken in by plants and converted into glucose, while oxygen is released as a byproduct. Therefore, photosynthesis does not produce carbon dioxide but actually helps in reducing its levels in the atmosphere.Rate this question:
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- 4.
How do living organisms return carbon to the atmosphere in the carbon cycle?
- A.
Respiration and photosynthesis
- B.
Decomposition and respiration
Correct Answer
B. Decomposition and respirationExplanation
Living organisms return carbon to the atmosphere in the carbon cycle through the processes of decomposition and respiration. Decomposition is the breakdown of organic matter by bacteria, fungi, and other microorganisms, which releases carbon dioxide back into the atmosphere. Respiration, on the other hand, is the process by which organisms use oxygen to break down organic molecules and release carbon dioxide as a byproduct. Together, these processes play a crucial role in maintaining the balance of carbon in the atmosphere.Rate this question:
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- 5.
In the carbon cycle, producers take in the gas __
- A.
Carbon dioxide
- B.
Oxygen
- C.
Nitrogen
- D.
Carbon monoxide
Correct Answer
A. Carbon dioxideExplanation
In the carbon cycle, producers, such as plants, take in the gas carbon dioxide. This is because plants use carbon dioxide during photosynthesis to produce glucose and oxygen. Carbon dioxide is an essential component for the growth and development of plants, making it the correct answer in the given options. Oxygen is released as a byproduct of photosynthesis, while nitrogen and carbon monoxide are not directly involved in the carbon cycle.Rate this question:
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- 6.
In what process is Carbon transformed into chemical energy?
- A.
Photosynthesis
- B.
Respiration
- C.
Primary Production
- D.
Secondary Production
Correct Answer
A. PhotosynthesisExplanation
Photosynthesis is the process by which carbon is transformed into chemical energy. During photosynthesis, plants use sunlight to convert carbon dioxide and water into glucose and oxygen. This glucose is then stored as chemical energy in the form of carbohydrates, which can be used by plants and other organisms for energy. Respiration, on the other hand, is the process by which organisms release energy from glucose, and primary and secondary production are terms used to describe the production of organic matter by plants and the consumption of this organic matter by animals, respectively.Rate this question:
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- 7.
The main human activity that releases greenhouse gases is
- A.
Using bottled water
- B.
Texting on cellphones
- C.
Burning fossil fuels
- D.
Eating meat
Correct Answer
C. Burning fossil fuelsExplanation
Burning fossil fuels is the main human activity that releases greenhouse gases. Fossil fuels such as coal, oil, and natural gas are burned for energy production, transportation, and industrial processes. These combustion processes release carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) - the primary greenhouse gases contributing to climate change. The burning of fossil fuels is a significant contributor to the increase in greenhouse gas emissions, leading to global warming and environmental degradation.Rate this question:
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- 8.
Why is the carbon cycle important?
- A.
It continuously reuses and recycles carbon in the ecosystem
- B.
It helps animals to digest food
- C.
It takes nitrogen and oxygen out of the atmosphere
Correct Answer
A. It continuously reuses and recycles carbon in the ecosystemExplanation
The carbon cycle is important because it continuously reuses and recycles carbon in the ecosystem. Carbon is a vital element for all living organisms and is found in various forms, such as carbon dioxide and organic compounds. Through processes like photosynthesis and respiration, carbon is exchanged between the atmosphere, plants, animals, and the soil. This cycle helps maintain a balance of carbon in the environment, which is essential for the growth and survival of organisms. Additionally, the carbon cycle plays a crucial role in regulating Earth's climate by controlling the amount of carbon dioxide in the atmosphere.Rate this question:
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- 9.
Why does too much carbon dioxide in the atmosphere cause climate change?
- A.
It cools down our planet
- B.
It blocks out UV rays
- C.
It traps heat and warms up our planet
- D.
It lets sunlight escape
Correct Answer
C. It traps heat and warms up our planetExplanation
Too much carbon dioxide in the atmosphere causes climate change because it acts as a greenhouse gas. When carbon dioxide levels increase, it creates a blanket-like effect, trapping heat from the sun within the Earth's atmosphere. This leads to a rise in global temperatures, causing the planet to warm up.Rate this question:
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- 10.
Which of the following adds oxygen to the atmosphere?
- A.
Forest fires
- B.
Photosynthesis
- C.
The weathering of rocks
- D.
Life processes of animals
Correct Answer
B. PhotosynthesisExplanation
Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. During this process, plants release oxygen into the atmosphere as a byproduct. Therefore, photosynthesis is the correct answer as it adds oxygen to the atmosphere. Forest fires, on the other hand, release carbon dioxide and other pollutants into the air. The weathering of rocks and life processes of animals do not directly add oxygen to the atmosphere.Rate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Mar 31, 2021Quiz Created by
Catherine Halcomb
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