The Sulfur Cycle MCQ Quiz
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Sulfur is one of the most abundant elements on earth. Our ' The sulfur cycle MCQ quiz ' will test your knowledge of the exchange and transformation of sulfur on earth. Are you well aware of this biogeochemical cycle? Let's test your knowledge with this simple quiz! All the questions are asked in a simple manner that will make you think! Make sure to answer all the questions carefully. Keep studying, and we wish you all the very best!
- 1.
What is Sulfur?
- A.
A nonmetallic chemical element
- B.
A yellow rock
- C.
Dried up lava
- D.
Rain
Correct Answer
A. A nonmetallic chemical elementExplanation
Sulfur is a nonmetallic chemical element. It is a naturally occurring element that is found in various forms such as rocks, minerals, and even living organisms. It is known for its yellow color and distinctive smell. Sulfur is widely used in various industries including agriculture, pharmaceuticals, and manufacturing. It is an essential element for life and plays a crucial role in various biological processes.Rate this question:
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- 2.
Which of the following activities releases Sulphur into the atmosphere?
- A.
By burning of fossil fuels
- B.
By the CFC emission
- C.
By burning wood
- D.
By manufacturing steel
Correct Answer
A. By burning of fossil fuelsExplanation
Burning of fossil fuels releases Sulphur into the atmosphere. Fossil fuels such as coal, oil, and natural gas contain small amounts of sulfur compounds. When these fuels are burned, the sulfur is oxidized and released as sulfur dioxide (SO2) gas. SO2 is a major contributor to air pollution and can lead to the formation of sulfuric acid and particulate matter, which can have harmful effects on human health and the environment.Rate this question:
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- 3.
Plants absorb sulfur in what form?
- A.
In the form on sulfuric acid
- B.
In the form of fossil fuels
- C.
In the form of amino acids such as methionine, cystine
- D.
In the form of pure sulfur
Correct Answer
C. In the form of amino acids such as methionine, cystineExplanation
Plants absorb sulfur in the form of amino acids such as methionine and cystine. Amino acids are the building blocks of proteins, and sulfur is an essential component of some amino acids. These amino acids are synthesized by plants using the sulfur they absorb from the soil. Methionine and cystine are important for the structure and function of proteins in plants. Therefore, plants obtain sulfur in the form of these amino acids to support their growth and development.Rate this question:
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- 4.
Sulfur makes up which essential compound in living organisms?
- A.
Fats
- B.
Proteins and vitamins
- C.
Carbohydrates
- D.
All of the above
Correct Answer
B. Proteins and vitaminsExplanation
Sulfur is an essential element in living organisms and plays a crucial role in the structure and function of proteins. It is a component of certain amino acids, such as cysteine and methionine, which are building blocks of proteins. Sulfur is also present in some vitamins, such as biotin and thiamine. Therefore, the correct answer is proteins and vitamins.Rate this question:
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- 5.
The sulfur cycle is also known as what type of cycle?
- A.
Elemental cycles
- B.
Soil cycles
- C.
Gaseous cycles
- D.
Biogeochemical cycle
Correct Answer
D. Biogeochemical cycleExplanation
The sulfur cycle is known as a biogeochemical cycle because it involves the movement of sulfur through both biological and geological processes. This cycle includes the release of sulfur from rocks and volcanoes, its uptake by plants and other organisms, and its return to the atmosphere through various processes such as decomposition and volcanic activity. The term "biogeochemical" emphasizes the interconnectedness of biological, geological, and chemical processes in the cycling of sulfur.Rate this question:
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- 6.
What does acid rain do?
- A.
Creates winds
- B.
Increases productivity of plants
- C.
Lowers the pH of soils, lakes, and rivers
- D.
Blocks solar radiation
Correct Answer
C. Lowers the pH of soils, lakes, and riversExplanation
Acid rain is precipitation that has been polluted by sulfur dioxide and nitrogen oxides, which lower the pH of the rainwater. When this acidic precipitation falls to the ground, it can acidify soils and bodies of water, posing risks to plants, aquatic life, and infrastructure.Rate this question:
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- 7.
How is Sulfur Dioxide NOT created?
- A.
Smelting
- B.
Burning coal
- C.
Volcanoes
- D.
Compressing ocean rocks
Correct Answer
D. Compressing ocean rocksExplanation
Sulfur dioxide is not created by compressing ocean rocks. Sulfur dioxide is primarily produced through the burning of fossil fuels such as coal, oil, and gas. It is also released during volcanic eruptions and certain industrial processes like smelting. However, compressing ocean rocks does not generate sulfur dioxide.Rate this question:
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- 8.
How are humans trying to be proactive in reducing our sulfur emission?
- A.
By refining fossil fuels in factories
- B.
By using clean coal
- C.
By producing acid rain
- D.
Increasing metal mining
Correct Answer
B. By using clean coalExplanation
Humans are trying to be proactive in reducing our sulfur emission by using clean coal. Clean coal refers to the process of removing pollutants, including sulfur, from coal before it is burned. This helps to reduce the amount of sulfur dioxide released into the atmosphere, which is a major contributor to air pollution and acid rain. By utilizing clean coal technology, we can minimize the environmental impact of coal combustion and work towards a more sustainable energy source.Rate this question:
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- 9.
Which of the following is an Organic Reservoir?
- A.
Deep oceanic rock
- B.
The atmosphere
- C.
Ice
- D.
Soil
Correct Answer
D. SoilExplanation
Soil is considered an organic reservoir because it contains a large amount of organic matter, such as decomposed plant and animal material. This organic matter provides nutrients and energy for various organisms in the soil, including bacteria, fungi, and earthworms. Additionally, soil acts as a storage and recycling system for organic compounds, helping to regulate carbon and nutrient cycles in ecosystems. Therefore, soil plays a crucial role in maintaining the balance of organic materials in the environment.Rate this question:
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- 10.
Sulfur is usually trapped in which layer of the atmosphere?
- A.
Lithosphere
- B.
Asthenosphere
- C.
Troposphere
- D.
Mesosphere
Correct Answer
A. LithosphereExplanation
The lithosphere is the solid outer layer of the Earth that includes the crust and uppermost part of the mantle. Sulfur is usually trapped in the lithosphere as it is commonly found in minerals and rocks. It is not typically found in the atmosphere, such as the troposphere or mesosphere, which are different layers of the Earth's atmosphere. The asthenosphere, on the other hand, is a semi-fluid layer beneath the lithosphere and does not typically contain trapped sulfur.Rate this question:
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Mar 14, 2024Quiz Edited by
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Expert Reviewed by
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Nov 19, 2012Quiz Created by
Annieperry17