Environmental Studies ยท Chemistry
Environmental and Chemical Processes
2,324 Questions
Environmental and chemical processes encompass waste management, pollution remediation, and biogas conversion. These questions evaluate your grasp of how organic and synthetic materials interact with ecosystems. Such topics regularly appear in general science and environmental studies papers.
Waste managementBiogas conversionPhytoremediationSoil washingPollution control
Environmental and Chemical Processes Questions
What is the term used for the process of converting food scraps into a nutrient-rich soil amendment?
-
Composting
-
Recycling
-
Incineration
-
Landfilling
A
Correct answer
Explanation
Composting is the process of converting food scraps and other organic materials into a nutrient-rich soil amendment.
What is the process of removing contaminants from soil called?
-
Bioremediation
-
Phytoremediation
-
Incineration
-
Landfilling
A
Correct answer
Explanation
Bioremediation involves using microorganisms to break down and remove contaminants from soil.
What is the term used to describe the process of naturally breaking down contaminants in soil over time?
-
Biodegradation
-
Phytoremediation
-
Incineration
-
Landfilling
A
Correct answer
Explanation
Biodegradation is the natural process by which microorganisms break down and remove contaminants from soil.
What is the term used to describe the process of using plants to remove contaminants from soil?
-
Bioremediation
-
Phytoremediation
-
Incineration
-
Landfilling
B
Correct answer
Explanation
Phytoremediation involves using plants to absorb and accumulate contaminants from soil through their roots.
What is the term used to describe the process of removing soil and replacing it with clean soil to address contamination?
-
Bioremediation
-
Phytoremediation
-
Excavation and replacement
-
Landfilling
C
Correct answer
Explanation
Excavation and replacement involves removing contaminated soil and replacing it with clean soil.
What is the term used to describe the process of using heat to destroy contaminants in soil?
-
Bioremediation
-
Phytoremediation
-
Incineration
-
Landfilling
C
Correct answer
Explanation
Incineration involves burning contaminated soil at high temperatures to destroy contaminants.
What is the term used to describe the process of burying contaminated soil in a landfill?
-
Bioremediation
-
Phytoremediation
-
Incineration
-
Landfilling
D
Correct answer
Explanation
Landfilling involves burying contaminated soil in a designated area to prevent its spread.
What is the term used to describe the process by which forests absorb carbon dioxide from the atmosphere?
-
Photosynthesis
-
Carbon sequestration
-
Evapotranspiration
-
Respiration
B
Correct answer
Explanation
Carbon sequestration is the process by which forests absorb carbon dioxide from the atmosphere and store it in their biomass.
What is the term used to describe the process of removing harmful substances from the air?
-
Air Filtration
-
Air Purification
-
Air Ventilation
-
Air Conditioning
B
Correct answer
Explanation
Air purification refers to the process of removing contaminants and pollutants from the air, often using filters or other technologies.
In the nitrogen cycle, the process of converting atmospheric nitrogen into a form usable by plants is known as:
-
Nitrification
-
Denitrification
-
Nitrogen fixation
-
Ammonification
C
Correct answer
Explanation
Nitrogen fixation is the process of converting atmospheric nitrogen into a form usable by plants. This process is carried out by certain bacteria and archaea.
The process by which organic matter is broken down by microorganisms, releasing nutrients back into the environment, is known as:
-
Decomposition
-
Nitrification
-
Denitrification
-
Ammonification
A
Correct answer
Explanation
Decomposition is the process by which organic matter is broken down by microorganisms, releasing nutrients back into the environment.
What is the term used to describe the process of capturing and storing carbon dioxide from the atmosphere or industrial processes?
-
Carbon Capture and Storage (CCS)
-
Carbon Sequestration
-
Carbon Neutralization
-
Carbon Offsetting
A
Correct answer
Explanation
Carbon Capture and Storage (CCS) involves capturing carbon dioxide from industrial sources or the atmosphere and storing it underground or in geological formations.
What is the term used to describe the process of reducing the amount of waste produced?
-
Recycling
-
Composting
-
Reducing
-
Reusing
C
Correct answer
Explanation
Reducing refers to minimizing the amount of waste generated at the source by using less material, choosing reusable products, and avoiding single-use items.
What is the term used to describe the process of converting waste into a valuable resource?
-
Recycling
-
Composting
-
Incineration
-
Landfilling
A
Correct answer
Explanation
Recycling involves collecting and processing waste materials to transform them into new and useful products, reducing the need for raw materials and minimizing waste.