Environmental Studies ยท Chemistry
Environmental and Chemical Processes
2,261 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 to describe the process of removing pollutants from the air?
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Air Quality Management
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Air Pollution Control
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Air Quality Monitoring
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Air Quality Assessment
B
Correct answer
Explanation
Air Pollution Control involves implementing measures to remove pollutants from the air and reduce air pollution.
What is the term used to describe the process of removing water from soil to improve its stability and strength?
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Compaction.
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Consolidation.
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Heave.
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Dewatering.
D
Correct answer
Explanation
Dewatering is the process of removing water from soil to improve its stability and strength, often achieved through pumping or drainage systems.
What is the process of removing contaminants from groundwater called?
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Bioremediation
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Pump-and-treat
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Air stripping
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Soil vapor extraction
B
Correct answer
Explanation
Pump-and-treat is a process that involves pumping contaminated groundwater to the surface, treating it, and then reinjecting it into the aquifer.
What is the process of removing contaminants from solid waste called?
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Incineration
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Landfilling
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Recycling
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Composting
A
Correct answer
Explanation
Incineration is a process that involves burning solid waste at high temperatures to destroy contaminants.
What is the process of removing contaminants from a site called?
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Remediation
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Restoration
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Reclamation
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Revitalization
A
Correct answer
Explanation
Remediation is the process of removing contaminants from a site to make it safe for human health and the environment.
What is the process of using microorganisms to break down contaminants called?
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Bioremediation
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Phytoremediation
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Mycoremediation
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Zoremediation
A
Correct answer
Explanation
Bioremediation is a process that uses microorganisms to break down contaminants into harmless substances.
What is the process of using plants to absorb and break down contaminants called?
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Phytoremediation
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Phytoextraction
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Rhizofiltration
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Phytostabilization
A
Correct answer
Explanation
Phytoremediation is a process that uses plants to absorb and break down contaminants from soil, water, and air.
What is the process of using fungi to break down contaminants called?
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Mycoremediation
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Fungal bioremediation
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Mycofiltration
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Mycorestoration
A
Correct answer
Explanation
Mycoremediation is a process that uses fungi to break down contaminants into harmless substances.
What is the process of using zero-valent iron to break down contaminants called?
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Zoremediation
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Iron remediation
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Zero-valent iron treatment
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Iron-based remediation
A
Correct answer
Explanation
Zoremediation is a process that uses zero-valent iron to break down contaminants into harmless substances.
What is the process of removing unwanted plants from a vegetable garden called?
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Cultivation
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Weeding
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Pruning
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Thinning
B
Correct answer
Explanation
Weeding is the process of removing unwanted plants, also known as weeds, from a vegetable garden to prevent competition for resources and reduce the spread of pests and diseases.
What is the term used to describe the process of introducing microorganisms from Earth to another celestial body?
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Forward contamination
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Backward contamination
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Cross-contamination
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Interplanetary contamination
A
Correct answer
Explanation
Forward contamination refers to the introduction of microorganisms from Earth to another celestial body, potentially altering its pristine environment.
What is the term used to describe the process of bringing microorganisms from another celestial body back to Earth?
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Forward contamination
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Backward contamination
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Cross-contamination
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Interplanetary contamination
B
Correct answer
Explanation
Backward contamination refers to the transfer of microorganisms from another celestial body back to Earth, potentially introducing alien organisms into our ecosystem.
What is the term used to describe the hypothetical transfer of microorganisms between planets or moons through natural processes?
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Forward contamination
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Backward contamination
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Cross-contamination
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Interplanetary contamination
D
Correct answer
Explanation
Interplanetary contamination refers to the natural transfer of microorganisms between planets or moons through processes such as meteorite impacts or the exchange of material between celestial bodies.
What is the process of converting organic matter into a nutrient-rich soil amendment called?
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Composting
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Incineration
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Landfilling
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Recycling
A
Correct answer
Explanation
Composting is the natural process of breaking down organic matter into a nutrient-rich soil amendment.
What is the final product of the composting process called?
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Compost
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Humus
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Mulch
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Fertilizer
A
Correct answer
Explanation
The final product of the composting process is called compost.