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 to describe the process by which pesticides and herbicides break down into simpler compounds in the environment?
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Bioaccumulation
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Biomagnification
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Biodegradation
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Bioremediation
C
Correct answer
Explanation
Biodegradation refers to the process by which pesticides and herbicides break down into simpler compounds in the environment through the action of microorganisms.
What is the term for the process of converting carbon dioxide into organic compounds?
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Photosynthesis
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Respiration
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Decomposition
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Combustion
A
Correct answer
Explanation
Photosynthesis is the process of converting carbon dioxide into organic compounds, using sunlight as an energy source.
What is the term for the process of removing pollutants from the environment?
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Remediation
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Restoration
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Conservation
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Preservation
A
Correct answer
Explanation
Remediation is the process of removing pollutants from the environment.
What is the term for the process of reducing the amount of waste produced?
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Reduction
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Reuse
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Recycling
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Composting
A
Correct answer
Explanation
Reduction is the process of reducing the amount of waste produced.
What is the term used to describe the process by which heavy metals move up the food chain, becoming more concentrated at higher trophic levels?
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Bioaccumulation
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Biomagnification
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Biotransformation
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Biodegradation
B
Correct answer
Explanation
Biomagnification refers to the process by which heavy metals become more concentrated at higher trophic levels in a food chain, resulting in higher levels of contamination in top predators.
What is the term used to describe the process by which heavy metals are converted from one chemical form to another in the marine environment?
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Bioaccumulation
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Biomagnification
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Biotransformation
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Biodegradation
C
Correct answer
Explanation
Biotransformation refers to the process by which heavy metals are converted from one chemical form to another in the marine environment, often through the action of microorganisms.
What is the term used to describe the process by which heavy metals are broken down into simpler compounds in the marine environment?
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Bioaccumulation
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Biomagnification
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Biotransformation
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Biodegradation
D
Correct answer
Explanation
Biodegradation refers to the process by which heavy metals are broken down into simpler compounds in the marine environment, often through the action of microorganisms.
What is the term used to describe the process by which an exoplanet's atmosphere is gradually lost over time?
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Atmospheric escape
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Atmospheric stripping
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Atmospheric erosion
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Atmospheric collapse
A
Correct answer
Explanation
Atmospheric escape is the process by which an exoplanet's atmosphere is gradually lost over time due to various mechanisms such as stellar winds and radiation.
What is the term used to describe the process by which an exoplanet's atmosphere is gradually lost over time due to the effects of stellar radiation?
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Photoevaporation
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Atmospheric escape
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Atmospheric stripping
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Atmospheric erosion
A
Correct answer
Explanation
Photoevaporation is the process by which an exoplanet's atmosphere is gradually lost over time due to the effects of stellar radiation.
What is the term for the process of reducing the amount of waste produced?
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Recycling
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Composting
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Upcycling
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Waste reduction
D
Correct answer
Explanation
Waste reduction refers to the practices and strategies employed to minimize the amount of waste generated. It involves reducing the consumption of resources, reusing items, and composting organic materials.
What is the term for the process of converting waste into a usable resource?
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Recycling
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Composting
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Upcycling
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Landfilling
C
Correct answer
Explanation
Upcycling refers to the process of transforming waste materials or unwanted products into new items of better quality or perceived value. It involves creatively reusing discarded materials to create something new and useful.
What is the term for the process of reducing the amount of water used?
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Water conservation
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Water efficiency
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Water recycling
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Water treatment
A
Correct answer
Explanation
Water conservation refers to the practices and strategies employed to reduce water consumption and minimize water waste. It involves using water more wisely and efficiently, as well as implementing measures to protect and preserve water resources.
What is the term for the process of reducing the amount of carbon dioxide released into the atmosphere?
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Carbon capture and storage
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Carbon offsetting
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Carbon neutrality
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Carbon pricing
A
Correct answer
Explanation
Carbon capture and storage (CCS) refers to the process of capturing carbon dioxide from industrial sources and storing it underground or in other geological formations to prevent its release into the atmosphere. This technology aims to reduce greenhouse gas emissions and mitigate climate change.
What is the term for the process by which a drug is eliminated from the body?
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Drug absorption
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Drug distribution
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Drug metabolism
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Drug excretion
D
Correct answer
Explanation
Drug excretion is the process by which a drug is eliminated from the body.
What is the term used to describe the process of extracting and utilizing resources from celestial bodies?
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Space mining
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Space exploitation
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Space colonization
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Space terraforming
A
Correct answer
Explanation
Space mining refers to the process of extracting and utilizing resources from celestial bodies, such as asteroids and moons.