Water Pollution Trivia Quiz! Practice Test

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Water Pollution Trivia Quiz! Practice Test - Quiz


Water pollution is the degradation of water bodies, usually because of human activities. Water bodies include lakes, rivers, oceans, aquifers, and groundwater. Water pollution results when contaminants are established in the natural environment. Water pollution can be classified as surface water or groundwater pollution. Water pollution is measured by analyzing water samples. If you would like to understand further about water pollution, try this quiz.


Questions and Answers
  • 1. 

    A _________________________ is where household trash can be thrown away. The trash here is covered daily with soil to help break it down.

    Explanation
    A sanitary landfill is a designated area where household trash can be disposed of. This type of landfill is designed to minimize environmental impact and prevent contamination of soil and water. The trash is covered daily with soil, which helps to break it down and reduce odors. This method of waste disposal is considered more sanitary and environmentally friendly compared to other options such as open dumping or incineration.

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  • 2. 

    _________________________ is the introduction of any hazardous material into a body of water.

    Explanation
    Water pollution refers to the introduction of any hazardous material into a body of water. This can include pollutants such as chemicals, toxins, sewage, or waste materials that contaminate the water and adversely affect the aquatic ecosystem. It can have detrimental effects on the health of humans, animals, and plants that rely on the water source. Therefore, water pollution is the correct answer as it accurately describes the introduction of hazardous materials into a body of water.

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  • 3. 

    A method of waste disposal by injecting it into wells under the earth's surface is __________

    Explanation
    Deep-well injection is a method of waste disposal where waste is injected into wells that are deep under the earth's surface. This process involves drilling a well into a deep geological formation and then injecting the waste into the well, where it is stored and isolated from the environment. Deep-well injection is commonly used for disposing of hazardous waste or wastewater that cannot be treated or recycled. It is a safe and effective method of waste disposal as it prevents contamination of surface water and soil.

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  • 4. 

    ___________________ is added to most water supplies to help strengthen teeth and fight cavities.

    Explanation
    Fluoride is added to most water supplies to help strengthen teeth and fight cavities. It is a mineral that helps to prevent tooth decay by making the tooth enamel more resistant to acid attacks from plaque bacteria and sugars in the mouth. Fluoride also helps to remineralize areas of the enamel that have been damaged by acid. Regular exposure to fluoride can significantly reduce the risk of tooth decay and promote good oral health.

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  • 5. 

    A disease cluster occurs when:

    • A.

      Members of the same family develop the same illness even though they live in different locations.

    • B.

      People living in the same area develop the same disease at a higher than average rate.

    • C.

      People get sick after eating at the same restaurant.

    Correct Answer
    B. People living in the same area develop the same disease at a higher than average rate.
    Explanation
    A disease cluster occurs when people living in the same area develop the same disease at a higher than average rate. This means that there is a higher concentration of cases of a specific illness in a particular geographic location, indicating a potential outbreak or common source of infection. It is not necessary for members of the same family to develop the same illness or for people to get sick after eating at the same restaurant for a disease cluster to be identified.

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  • 6. 

    Thermal pollution refers to

    • A.

      Excessive heat entering an aquatic ecosystem.

    • B.

      Too many bacteria living in one body of water.

    • C.

      Excessive amounts of algae growing in an area.

    Correct Answer
    A. Excessive heat entering an aquatic ecosystem.
    Explanation
    Thermal pollution refers to the excessive heat entering an aquatic ecosystem. This can occur when industrial processes or power plants release heated water into rivers, lakes, or oceans, causing a significant increase in water temperature. The elevated temperature can have detrimental effects on aquatic organisms, such as reducing their oxygen levels, altering their metabolic rates, and disrupting their reproductive cycles. It can also lead to the death of sensitive species and the overall degradation of the ecosystem.

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  • 7. 

    All of the following have been considered acceptable sites for disposal of hazardous materials at one point in time except for

    • A.

      Deep wells

    • B.

      Lagoons

    • C.

      Oceans

    Correct Answer
    C. Oceans
    Explanation
    Deep wells, lagoons, and oceans have all been considered as acceptable sites for the disposal of hazardous materials at some point in time. However, the given answer states that "oceans" have not been considered acceptable sites for disposal of hazardous materials. This implies that deep wells and lagoons have been considered acceptable sites for disposal of hazardous materials at some point in time.

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  • 8. 

    An example of non point pollution is

    • A.

      An oil spill

    • B.

      Agricultural runoff

    • C.

      Trash from a landfill

    Correct Answer
    B. Agricultural runoff
    Explanation
    Agricultural runoff refers to the excess water and chemicals, such as fertilizers and pesticides, that flow off farmland and into nearby water bodies. This type of pollution is considered non-point source pollution because it does not originate from a single identifiable source. Unlike an oil spill or trash from a landfill, which can be traced back to a specific location, agricultural runoff comes from multiple farms and is carried by rainwater or irrigation. It can cause water pollution, leading to eutrophication, harmful algal blooms, and damage to aquatic ecosystems.

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  • 9. 

    The first main _________ we built near large rivers.

    • A.

      Factories

    • B.

      Houses

    • C.

      Cities

    Correct Answer
    C. Cities
    Explanation
    The correct answer is cities. This is because cities are typically built near large rivers due to the availability of water for drinking, irrigation, transportation, and other industrial purposes. Additionally, rivers often provide fertile soil for agriculture and serve as natural barriers for defense. Therefore, building cities near large rivers has been a common practice throughout history.

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  • 10. 

    An aquifer is

    • A.

      An area above ground where lakes form

    • B.

      An area below ground where water collects

    • C.

      The best place to get your drinking water

    Correct Answer
    B. An area below ground where water collects
    Explanation
    An aquifer is an underground layer of permeable rock, such as sand or gravel, that can hold and transmit water. It acts as a natural storage and filtration system for groundwater. When it rains or when water from rivers and lakes seeps into the ground, it collects in the spaces within the aquifer. This stored water can be accessed through wells and used for various purposes, including drinking water supply. Therefore, an aquifer is an area below ground where water collects.

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  • 11. 

    _________________ are disease causing organisms that can be transmitted through water.

    Correct Answer
    pathogens
    pathogen
    Explanation
    Pathogens are disease-causing organisms that have the ability to be transmitted through water. They can include various types of microorganisms such as bacteria, viruses, and parasites. These pathogens can contaminate water sources and, when ingested, can cause illnesses and diseases in humans and animals. It is important to ensure proper water treatment and sanitation to prevent the spread of these pathogens and protect public health.

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  • 12. 

    Artificial eutrophication or nutrient poisoning mostly comes from

    • A.

      Oil

    • B.

      Toxic waste

    • C.

      Agricultural runoff

    Correct Answer
    C. Agricultural runoff
    Explanation
    Artificial eutrophication or nutrient poisoning is primarily caused by excessive nutrients, such as nitrogen and phosphorus, entering water bodies. These nutrients can come from various sources, including agricultural runoff. When fertilizers and other agricultural chemicals are applied to fields, they can be washed away by rainwater or irrigation and end up in nearby streams, rivers, or lakes. This influx of nutrients can lead to an overgrowth of algae and other aquatic plants, disrupting the natural balance of the ecosystem and depleting oxygen levels in the water.

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  • 13. 

    Arizona and California are fighting over the rights to

    • A.

      The Colorado River

    • B.

      The Grand Canyon

    • C.

      Las Vegas

    Correct Answer
    A. The Colorado River
    Explanation
    Arizona and California are fighting over the rights to the Colorado River. This is because the Colorado River is a major water source for both states, and they both rely on it for irrigation, drinking water, and hydroelectric power. The dispute arises from the fact that there is not enough water to meet the demands of both states, leading to conflicts over how the water should be allocated. The fight over the rights to the Colorado River has been ongoing for many years, with legal battles and negotiations taking place to try and find a resolution.

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  • 14. 

    A significant ocean pollution is

    • A.

      Trash

    • B.

      Plastic

    • C.

      Toxic waste

    Correct Answer
    B. Plastic
    Explanation
    Plastic is considered a significant ocean pollution because it is non-biodegradable and can persist in the marine environment for hundreds of years. It poses a serious threat to marine life as animals can mistake it for food or become entangled in it, leading to injury or death. Additionally, plastic can release toxic chemicals into the water, further impacting the health of marine ecosystems. Efforts to reduce plastic pollution, such as recycling and using alternative materials, are crucial to protect the oceans and their inhabitants.

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  • 15. 

    The laws of a country extend _____ off its coastline.

    • A.

      22km

    • B.

      25km

    • C.

      50km

    Correct Answer
    A. 22km
    Explanation
    The correct answer is 22km. The question is asking about the extent to which the laws of a country apply beyond its coastline. In this case, the laws of the country extend 22km off its coastline. This means that within this distance, the country has jurisdiction and can enforce its laws. Beyond this limit, the laws of the country may not apply or may be subject to international laws and agreements.

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  • 16. 

    What are MCLGs based on?

    • A.

      Health effects

    • B.

      Environmental effects

    • C.

      Pollution

    Correct Answer
    A. Health effects
    Explanation
    MCLGs, or Maximum Contaminant Level Goals, are based on health effects. These goals are set by the Environmental Protection Agency (EPA) to determine the maximum level of a contaminant in drinking water that is safe for consumption over a lifetime. MCLGs are established by considering the potential health risks associated with exposure to the contaminant, taking into account sensitive populations such as infants and the elderly. By focusing on health effects, MCLGs aim to protect public health and ensure the safety of drinking water for all individuals.

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  • 17. 

    How much oil was spilled from the BP oil leak?

    • A.

      400 barrels

    • B.

      4,900 barrels

    • C.

      4.9 million barrels

    Correct Answer
    C. 4.9 million barrels
    Explanation
    The correct answer is 4.9 million barrels. This is the highest quantity among the options provided and indicates the largest amount of oil spilled from the BP oil leak.

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  • 18. 

    __________ is the solid material pulled out of water during sewage treatment.

    Correct Answer
    sludge
    floc
    Explanation
    Sludge and floc are both solid materials that are pulled out of water during sewage treatment. Sludge refers to the thick, semi-solid residue that settles at the bottom of tanks or clarifiers during the treatment process. It is composed of organic and inorganic matter, including bacteria, solids, and other pollutants. Floc, on the other hand, is the result of the coagulation and flocculation process, where chemicals are added to the water to bind together smaller particles and form larger, heavier particles that can be easily removed. Both sludge and floc play a crucial role in the removal of pollutants and the purification of water during sewage treatment.

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  • 19. 

    _____________ is the first step in the waste water treatment process. It allows large materials to be pulled out of the water.

    Correct Answer
    Filtration
    Explanation
    Filtration is the first step in the wastewater treatment process because it allows large materials to be removed from the water. During filtration, the water passes through a filter medium that traps and removes solid particles such as debris, leaves, and other large objects. This process helps to prevent these materials from entering the subsequent treatment stages, ensuring that the water is cleaner and easier to treat further.

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  • 20. 

    What are some situations where somebody should buy bottled water?

    Correct Answer
    natural disasters
    unsafe drinking water
    dirty water
    no access to clean water
    Explanation
    In situations such as natural disasters, where the regular water supply may be disrupted or contaminated, buying bottled water can be necessary to ensure access to safe drinking water. Similarly, in areas with unsafe or dirty water sources, purchasing bottled water can help prevent waterborne illnesses. Additionally, in places where there is no access to clean water infrastructure, buying bottled water becomes essential for meeting basic hydration needs.

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  • 21. 

    Dental fluorisis, or mottling, is recognized by what physical characteristic?

    • A.

      White patches on the teeth

    • B.

      Yellow teeth

    • C.

      Many cavities

    Correct Answer
    A. White patches on the teeth
    Explanation
    Dental fluorosis, or mottling, is recognized by white patches on the teeth. This condition occurs when excessive fluoride intake during tooth development causes changes in the enamel, leading to the appearance of white spots or streaks on the teeth. These patches can vary in severity, ranging from barely noticeable to more pronounced discoloration. Yellow teeth and many cavities are not specific physical characteristics associated with dental fluorosis.

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