Soil Pollution Causes and Effects
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Questions and Answers

What is the primary consequence of soil pollution in the context of agriculture?

  • Soil erosion acceleration
  • Increased crop yields
  • Enhanced soil fertility
  • Insufficient global food supply (correct)

    • Which of the following is NOT a common cause of soil pollution?

  • Rupture of underground storage tanks
  • Natural soil erosion (correct)
  • Excess application of pesticides
  • Percolation of contaminated water

    • What is the primary medium through which contaminated industrial waste enters the soil?

  • Direct discharge into the soil (correct)
  • Surface runoff
  • Atmospheric deposition
  • Groundwater percolation

    • Which type of soil pollution is caused by human activities in urban areas?

    <p>Soil pollution due to urban activities</p> Signup and view all the answers

    What is the term for the movement of contaminated water through the soil?

    <p>Percolation</p> Signup and view all the answers

    Which of the following is a common chemical involved in soil pollution?

    <p>Petroleum hydrocarbons</p> Signup and view all the answers

    What is a significant consequence of thermal pollution on aquatic species?

    <p>Disruption of plant and animal species</p> Signup and view all the answers

    What is the primary role of cooling towers in managing thermal pollution?

    <p>To transfer heat from the water to the surrounding atmosphere by evaporation</p> Signup and view all the answers

    What type of cooling towers are used to dissipate heat to the atmosphere?

    <p>Wet cooling towers</p> Signup and view all the answers

    What is the purpose of cooling ponds in managing thermal pollution?

    <p>To maximize dissipation of heat to the atmosphere</p> Signup and view all the answers

    What is a characteristic of aquatic species in terms of temperature tolerance?

    <p>They can exist at a wide range of temperatures</p> Signup and view all the answers

    What is an alternative to cooling ponds for thermal discharges?

    <p>Artificial lakes</p> Signup and view all the answers

    What is the primary characteristic of Poly Aromatic Hydrocarbons (PAHs)?

    <p>They are lipophilic, meaning they mix more easily in oil than water</p> Signup and view all the answers

    What is a common source of oil pollution in the ocean?

    <p>Blowouts at off-shore drilling rigs</p> Signup and view all the answers

    What is the primary source of Poly Aromatic Hydrocarbons (PAHs) in the ocean?

    <p>Oil, coal, and tar deposits</p> Signup and view all the answers

    What is a common consequence of tanker accidents on land?

    <p>Oil carried to nearby streams or canals, causing marine pollution</p> Signup and view all the answers

    What is a common source of marine pollution originating from the land?

    <p>Effluents discharged directly into the sea or entering coastal waters through rivers</p> Signup and view all the answers

    What is a type of toxic substance that can accumulate in the ocean and cause marine pollution?

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

    What is the primary mechanism by which pesticide remnants enter human biological systems?

    <p>Consumption of contaminated root crops</p> Signup and view all the answers

    What is the primary reason for scientists seeking alternatives to pesticides?

    <p>The health effects of pesticides on humans and animals</p> Signup and view all the answers

    What is the characteristic of some pesticides that makes them particularly problematic?

    <p>Low biodegradability</p> Signup and view all the answers

    What is the primary composition of urban solid waste?

    <p>Majority paper and food waste</p> Signup and view all the answers

    What is the effect of pesticides on soil fertility?

    <p>Decrease soil fertility</p> Signup and view all the answers

    What is the purpose of using pheromones and hormones in pest management?

    <p>To attract or repel insects</p> Signup and view all the answers

    What is the primary function of the water withdrawn from the lake?

    <p>Cooling purpose</p> Signup and view all the answers

    What is the term used to describe the emission of energy from radioactive substances in the environment?

    <p>Radioactive pollution</p> Signup and view all the answers

    Which of the following is NOT a natural source of radioactivity?

    <p>Nuclear waste</p> Signup and view all the answers

    What is the greatest exposure to human beings from man-made sources of radioactivity?

    <p>Diagnostic use of X-rays</p> Signup and view all the answers

    What is the term used to describe unstable isotopes that emit energy?

    <p>Radioactive isotopes</p> Signup and view all the answers

    What is the primary source of radioactivity in the environment?

    <p>Natural sources from the Earth's crust</p> Signup and view all the answers

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