Environmental Science Quiz
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Questions and Answers

What is a significant issue with recycling plastics?

  • All plastics can be successfully recycled
  • Recycled plastics tend to have enhanced quality
  • It is universally effective for all plastics
  • Many types of plastics are difficult to recycle (correct)
  • Which factor limits the effectiveness of synthetic pesticides over time?

  • They can lead to pesticide-resistant pests (correct)
  • They degrade rapidly in sunlight
  • They require more frequent application
  • They become resistant to plants
  • Municipal solid waste primarily refers to what?

  • Hazardous waste from medical facilities
  • Waste generated from mining operations
  • Industrial waste from major corporations
  • Waste produced from households and businesses (correct)
  • At what decibel level can noise become harmful to humans?

    <p>85 dB (D)</p> Signup and view all the answers

    What is a true statement about current agricultural production?

    <p>There is surplus food available for basic nutritional needs (C)</p> Signup and view all the answers

    What is a primary concern associated with the incineration of waste?

    <p>It results in the release of air pollutants (D)</p> Signup and view all the answers

    How does agricultural food production typically affect soil quality?

    <p>It leads to soil erosion and loss of topsoil (D)</p> Signup and view all the answers

    Which of the following strategies is NOT effective for managing noise pollution?

    <p>Ignoring the source of noise (C)</p> Signup and view all the answers

    Which of the following statements about environmental impact is true?

    <p>Burning fossil fuels contributes to greenhouses gases. (C)</p> Signup and view all the answers

    What position does the python hold in the food chain?

    <p>Tertiary consumer (D)</p> Signup and view all the answers

    What are the two key processes involved in the hydrological cycle?

    <p>Evaporation, condensation (B)</p> Signup and view all the answers

    Identify the primary consumer in the given food chain.

    <p>Grasshopper (D)</p> Signup and view all the answers

    Which gas is most prevalent in the atmosphere?

    <p>Nitrogen (D)</p> Signup and view all the answers

    Which of these phenomena can be caused by global warming?

    <p>All of the above (D)</p> Signup and view all the answers

    What does pH 5 indicate compared to pH 8?

    <p>More acidic (A)</p> Signup and view all the answers

    Which of the following options cannot be classified as a particulate pollutant?

    <p>Ground level ozone (A)</p> Signup and view all the answers

    Which method is used to convert underground water into steam for energy generation?

    <p>By injecting water underground which turns into steam and then rises up to rotate a turbine (D)</p> Signup and view all the answers

    What does the term 'global hectares per person' commonly measure?

    <p>Ecological footprint (A)</p> Signup and view all the answers

    How many Sustainable Development Goals (SDGs) were established by the UN?

    <p>17 (B)</p> Signup and view all the answers

    Which renewable energy source accounts for the largest share of total renewable energy consumption?

    <p>Biomass (D)</p> Signup and view all the answers

    Is natural gas considered a renewable energy source?

    <p>False (C)</p> Signup and view all the answers

    Do green buildings have a positive or negative impact on human health?

    <p>Positive (A)</p> Signup and view all the answers

    What is a negative environmental consequence of coal use?

    <p>All of the above (D)</p> Signup and view all the answers

    What does LEED stand for in relation to building standards?

    <p>Leadership in Energy and Environmental Design (B)</p> Signup and view all the answers

    What is the last step in the process of water treatment?

    <p>Disinfection (A)</p> Signup and view all the answers

    Which of the following statements about photochemical smog is true?

    <p>It forms through reactions involving VOCs and NOx in sunlight. (D)</p> Signup and view all the answers

    What is the primary goal of secondary treatment in wastewater management?

    <p>To remove organic matter effectively. (B)</p> Signup and view all the answers

    Which of the following is a major reason for the 40% of food that is not consumed?

    <p>It ends up being wasted. (D)</p> Signup and view all the answers

    Which material is the most significant component of global municipal solid waste (MSW)?

    <p>Food (B)</p> Signup and view all the answers

    Which statement accurately describes composting?

    <p>It is a simple process that can be done at home. (B)</p> Signup and view all the answers

    What role does the ocean play in the carbon cycle?

    <p>It is a carbon sink. (D)</p> Signup and view all the answers

    Aquaculture is primarily related to which type of production?

    <p>Production of fish and seafood. (D)</p> Signup and view all the answers

    Which statement accurately describes pollution from agricultural fields?

    <p>It is primarily a non-point source of pollution. (B)</p> Signup and view all the answers

    What is a significant challenge faced when recycling plastic waste?

    <p>Complexity in the recycling process. (B)</p> Signup and view all the answers

    What does the Nitrogen cycle illustrate?

    <p>The movement and transformation of nitrogen in ecosystems. (B)</p> Signup and view all the answers

    Which of the following scenarios correctly addresses water stress?

    <p>It can still occur even in areas with abundant freshwater. (D)</p> Signup and view all the answers

    What does the arrow in the food chain indicate?

    <p>Movement of energy. (D)</p> Signup and view all the answers

    Which of the following factors is classified as biotic?

    <p>Sunflower. (A)</p> Signup and view all the answers

    In the context of chemical accumulation in whales, what does an increase in chemical concentration over time suggest?

    <p>The chemical is bioaccumulating. (A)</p> Signup and view all the answers

    What contributes to a decrease in oxygen levels in aquatic systems?

    <p>Organic waste materials. (D)</p> Signup and view all the answers

    Flashcards

    Agricultural Pollution

    Agricultural fields release pollutants into water, not always in a concentrated way (non-point source).

    Ocean as Carbon Sink

    The ocean absorbs significant amounts of atmospheric carbon dioxide.

    Nitrogen Cycle

    The cycle involving nitrogen transformation in the environment, but it does not describe the flow of energy.

    Water Stress & Abundance

    Even areas with abundant freshwater sources can experience water stress due to overuse or pollution.

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    Organism Definition

    An individual living thing.

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    Ecosystem Definition

    All living things (biotic) and non-living things (abiotic) in an environment, and their interactions.

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    Food Chain Flow

    The movement of energy from one organism to another in an ecosystem.

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    Biotic Factor

    A living component of an ecosystem.

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    Trophic Level of Python

    The Python in the food chain is a tertiary consumer.

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    Primary Consumer

    An organism that eats producers (plants).

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    Hydrological Cycle Processes

    Evaporation and condensation are two important processes in the water cycle.

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    Most Abundant Air Gas

    Nitrogen is the most abundant gas in Earth's atmosphere.

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    Global Warming Consequences

    Global warming can lead to floods, cyclones, and reduced food production.

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    pH & Acidity

    A lower pH value indicates a more acidic solution.

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    Micro-organisms in Water Treatment

    Microorganisms are beneficial in treating drinking water.

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    Sedimentation Tank Function

    Gravity assists the process of separating suspended solids in a sedimentation tank.

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    Water Treatment Steps

    A series of steps to purify water, including adding coagulants, flocculation, sedimentation, filtration, and disinfection, before distribution to users.

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    Photochemical Smog Components

    Photochemical smog is formed from the reaction of volatile organic compounds (VOCs) and nitrogen oxides (NOx) in the presence of sunlight. It's a mixture of harmful compounds.

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    Greenhouse Effect Causes

    The greenhouse effect is caused by gases like nitrous oxide, methane, carbon monoxide, and chlorofluorocarbons, not just carbon dioxide.

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    Secondary Wastewater Treatment

    The secondary stage of wastewater treatment focuses on removing organic matter.

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    Food Waste Percentage

    Globally, about 40% of food produced is wasted.

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    Major MSW Component

    The largest component of Municipal Solid Waste (MSW) is food.

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    Composting Scale

    Composting is a process for decomposing organic waste, and it is not limited to large-scale facilities.

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    Aquaculture Definition

    Aquaculture is the farming of aquatic organisms, not the production of milk.

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    Geothermal Energy

    Energy harnessed from the Earth's internal heat, often using steam to turn turbines and generate electricity.

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    Ecological Footprint

    A measure of human demand on the Earth's resources, expressed as the amount of biologically productive land and water needed to support a particular lifestyle.

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    Sustainable Development Goals (SDGs)

    A set of 17 interconnected goals established by the United Nations to achieve a better and more sustainable future for all by 2030.

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    Renewable Energy

    Energy sources that are naturally replenished over a short period of time, such as solar, wind, and hydropower.

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    Natural Gas

    A fossil fuel formed from the remains of ancient organisms, primarily composed of methane.

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    Green Building

    A building designed and constructed to minimize its environmental impact and promote human health.

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    Coal Use Impacts

    Using coal as an energy source can result in various negative environmental and health consequences.

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    LEED Certification

    A globally recognized rating system for the design, construction, operation, and maintenance of green buildings.

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    Plastic Recycling

    Recycling plastics is challenging due to the variety of chemicals used in different types of plastic, leading to lower quality recycled material.

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    Synthetic Pesticide Effects

    Synthetic pesticides, while effective for agriculture, can leave harmful residues on crops, posing health risks to consumers.

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    MSW

    MSW refers to Municipal Solid Waste, which encompasses all the waste generated by households and businesses in a city.

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    Harmful Noise Levels

    Noise levels above 85 dB can damage human hearing, with levels above 95 dB and 110 dB posing significant health risks.

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    Food Production & Soil

    Agricultural food production practices often lead to a decrease in the amount of topsoil, which is essential for healthy plant growth.

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    Incineration Drawback

    A major concern with incinerating waste for energy is the generation of air pollutants that can harm the environment and human health.

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    Population Change

    The change in population over time is referred to as the growth rate, reflecting the balance between births, deaths, and migration.

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    Geothermal Power

    Geothermal power plants generate electricity using the heat from the Earth's interior, creating steam that drives turbines for electricity generation.

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    Study Notes

    True/False Questions

    • The ocean is a carbon sink. True.
    • Agricultural fields can contaminate water and are typically classified as a point source of pollution. True.
    • The Nitrogen cycle is an example of how energy flows in the environment. False.
    • Water stress can never occur in places where freshwater sources (such as rivers, lakes) are abundant. False.
    • Ecosystems change naturally over time. True.

    Matching Terms and Definitions

    • Organism: An individual living being.
    • Ecosystem: All the communities in an area, all the non-living components in the environment, and their interactions.
    • Biome: Group of ecosystems with the same climate and similar communities.

    Multiple Choice Questions

    • Question 7: In the food chain (Grass → Grasshopper → Frog → Python → Eagle), the arrow represents the flow of energy.
    • Question 8: Biotic factors (living components) include sunflower and bacteria.
    • Question 9: If a chemical in a whale's body increases over time, the chemical is bioaccumulating.
    • Question 10: Wastes rich in organic constituents, nitrogen-containing wastes, and phosphorus-containing wastes can cause a decrease in oxygen levels in water systems. Photosynthesis by phytoplankton does not decrease oxygen levels.
    • Question 11: Water usage can be categorized into domestic and agricultural. (True/False).
    • Question 12: Humans affect the carbon cycle by burning fossil fuels, deforestation, and improper farming activities that alter soil composition.
    • Question 13: In the food chain (Grass → Grasshopper → Frog → Python → Eagle), the python occupies the tertiary consumer trophic level.
    • Question 14: Important processes in the hydrological cycle include evaporation and condensation.
    • Question 15: In the food chain (Grass → Grasshopper → Frog → Python → Eagle), the grasshopper is the primary consumer.
    • Question 1: The most abundant gas in the air is Nitrogen.
    • Question 2: Global warming may result in floods, cyclones, and a decline in food productivity. (Multiple choice).
    • Question 3: pH 5 is more acidic than pH 8 (True/False).
    • Question 4: Microorganisms are not helpful in drinking water treatment. (True/False).
    • Question 5: Gravity in a sedimentation tank helps in separating suspended solids. (True/False).
    • Question 6: Ground level ozone is not a particulate pollutant. (Multiple choice question).
    • Question 7: Reverse osmosis is a method to remove salts from seawater.
    • Question 8: NO2 and SO2 are the primary contributors to acid rain.
    • Question 9: VOCs stand for Volatile Organic Compounds.
    • Question 11: Photochemical smog is caused by VOCs and NOx in the presence of sunlight, it leads to eye irritation, and it's a mixture of compounds.
    • Question 12: The greenhouse effect is caused by several gases (nitrous oxide, methane, carbon monoxide, and chlorofluorocarbons), not only carbon dioxide.
    • Question 13: Secondary treatment in water treatment plants removes organic matter.
    • Question 14: You can manage noise pollution by reducing noise at the source, providing hearing protection, and increasing greenery.
    • Question 1: The change in population over time is represented by the growth rate.
    • Question 2: Geothermal power plants generate electricity by injecting water underground, which turns to steam and rises up to turn turbines.
    • Question 3: "Global hectares per person" is a measure of ecological footprint.
    • Question 4: There are 17 Sustainable Development Goals (SDGs) established by the UN.
    • Question 5: Biomass accounts for the largest share of renewable energy consumption.
    • Question 6: Natural gas is a non-renewable energy source. (True/False).
    • Question 7: Green buildings generally have a lower negative impact on human health. (True/False).
    • Question 8: Coal use results in loss of landscape biodiversity, release of acid mine drainage, and air pollution.
    • Question 9: Disadvantages of wind energy include inconsistent energy production, potential harm to wildlife, and not being consistently profitable for smaller scale use.
    • Question 10: LEED stands for Leadership in Energy and Environmental Design.
    • Question 11: The source of nuclear power is Uranium.
    • Question 12: Petroleum is an example of a liquid fossil fuel.
    • Question 13: Animal waste can be used to produce energy. (True/False).
    • Question 14: LCA (Life Cycle Assessment) considers solid waste generation, solid waste disposal, air pollution, and global warming potential.
    • Question 15: Population distribution across the planet is not uniform. (True/False).

    Treatment Steps in a DWTP (Water Treatment Plant)

    The provided information shows a suggested order of treatment steps in a water treatment plant:

    • Addition of coagulants: This is step 1.
    • Flocculation: This is step 2.
    • Sedimentation: This is step 3.
    • Filtration: This is step 4.
    • Disinfection: This is step 5.
    • Distribution to end users: This is step 6.

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    Environmental Science Quiz PDF

    Description

    Test your knowledge on various aspects of Environmental Science through true/false questions, matching terms, and multiple-choice questions. Topics include ecosystems, biomes, and the flow of energy in food chains. Perfect for students looking to assess their understanding of environmental concepts.

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