Ecology Environmental Pollution Quiz
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Questions and Answers

Ecological pyramids start with which group at the bottom?

  • Decomposers
  • Consumers
  • Primary consumers
  • Producers (correct)

    • What percentage of energy available in food is generally incorporated into biomass?

  • 10% (correct)
  • 30%
  • 40%
  • 20%

    • In ecological studies, which units are used for pyramid of energy?

  • calories per square meter per year
  • grams per meter per year
  • kJ/m2y (correct)
  • units of energy per biomass

    • In the pyramid of biomass, biomass should be measured as what type of mass?

    <p>Dry mass</p> Signup and view all the answers

    Which of the following is true about ecological pyramids?

    <p>They start with producers on the bottom.</p> Signup and view all the answers

    What type of ecosystem is primarily characterized by low rainfall and sparse vegetation?

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

    Which process initiates the energy flow within an ecosystem?

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

    In which type of relationship does one organism benefit while the other is harmed?

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

    Which ecosystems are classified as major types of aquatic ecosystems?

    <p>Marine water and freshwater</p> Signup and view all the answers

    Which type of ecosystem is characterized by both living organisms and their physical environment?

    <p>Natural ecosystem</p> Signup and view all the answers

    What type of relationship is characterized by both organisms benefiting?

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

    Which of the following is not a characteristic of abiotic components?

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

    Which type of aquatic ecosystem includes rivers and lakes?

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

    Which group of organisms primarily consumes food?

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

    What shape does a pyramid of biomass typically take?

    <p>Upright pyramid</p> Signup and view all the answers

    Energy that is not transferred to the next trophic level is eventually lost as what?

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

    Which term describes a smaller ecological unit than a biome?

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

    What extends from the deepest ocean floor to the highest mountains?

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

    What accurately represents the flow of energy in a simple linear model?

    <p>Food chain</p> Signup and view all the answers

    In which structure does a higher trophic organism feed on a single lower trophic organism?

    <p>Food chain</p> Signup and view all the answers

    What does a pyramid of biomass represent in a food chain?

    <p>Mass of living organisms at each trophic level</p> Signup and view all the answers

    What is the primary focus of environmental ethics?

    <p>The relationship between humans and the environment</p> Signup and view all the answers

    Which of the following actions contributes to protecting the environment in India?

    <p>Planting more trees</p> Signup and view all the answers

    Which of the following is a step taken by the government to control pollution?

    <p>Formulation of environmental regulations/statutes</p> Signup and view all the answers

    Which of these is NOT a role individuals can play in environmental protection?

    <p>Promoting single-use plastics</p> Signup and view all the answers

    What is an example of an initiative to promote cleaner transportation?

    <p>Promoting the public transport network</p> Signup and view all the answers

    Which of the following is true regarding individual roles in environmental conservation?

    <p>Water resource efficiency is vital for conservation</p> Signup and view all the answers

    What defines an ecosystem?

    <p>All living organisms in an area interacting with non-living elements</p> Signup and view all the answers

    Which action helps reduce air pollution?

    <p>Encouraging carpooling</p> Signup and view all the answers

    Which of the following is classified as a type of marine pollution?

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

    What term describes the increase in water temperature due to industrial activities?

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

    Which of the following is NOT considered a type of marine pollution?

    <p>Soil erosion</p> Signup and view all the answers

    What is the full form of WMD?

    <p>Weapons of Mass Destruction</p> Signup and view all the answers

    Which solution is proposed for managing radioactive pollution?

    <p>Banning nuclear tests</p> Signup and view all the answers

    What is a potential effect of radioactive pollution?

    <p>Soil infertility</p> Signup and view all the answers

    What kind of pollution can artificial lakes help alleviate?

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

    Which method is used to minimize thermal pollution?

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

    Which of the following contributes to global warming?

    <p>Carbon dioxide</p> Signup and view all the answers

    What is a primary consequence of ozone layer depletion?

    <p>Higher incidence of skin cancer</p> Signup and view all the answers

    Which gases are primarily responsible for the greenhouse effect?

    <p>Carbon dioxide and methane</p> Signup and view all the answers

    What role does ultraviolet solar radiation play in the atmosphere?

    <p>It forms ozone.</p> Signup and view all the answers

    Which statement correctly identifies a false association with greenhouse gases?

    <p>Carbon dioxide is not a greenhouse gas.</p> Signup and view all the answers

    Which of the following is NOT considered a global environmental issue?

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

    What percentage is attributed to methane in its contribution to global warming?

    <p>16%</p> Signup and view all the answers

    Which of the following represents a false statement regarding the effects of greenhouse gases?

    <p>They enhance forest growth.</p> Signup and view all the answers

    Study Notes

    Objective Type Questions (Ecology Environmental Pollution)

    • Organized on local, national, and international levels: Groups are organized to serve specific social or political goals. These can include NGOs, governments, and individuals.
    • Rule-making authority: Governments create rules, laws, and regulations.
    • German biologist Ernst Haeckel's contribution: He coined the term "ecology" in 1869.
    • Ecology's definition (Charles Elton): The scientific natural history that examines the sociology and economics of animals.
    • Environmental science's components: Earth science, life science, and social science.
    • Lyell's discovery: The Earth's crust results from gradual changes throughout its history, according to English geologist Charles Lyell.
    • Tansley's conceptualization: He proposed the concept of "ecosystem" in 1935.
    • Lindeman's contribution: Later developed Tansley's term "ecosystem". His work was published in 1942.
    • NGO roles in Indian environmental conservation: Creating awareness about environmental issues, facilitating stakeholder participation in discussions, and ensuring equitable resource use.
    • Examples of environmental NGOs: Center for Environmental Education (CEE), Center for Science and Environment (CSE), and Narmada Bachao Andolan (NBA).
    • Environmental ethics definition: The study of the relationship between people and the environment, and how ethics apply in this context.
    • Individual's role in Environmental Protection:
      • Purchase reusable, recycled, and eco-friendly products.
      • Use environmentally friendly products (like CFC-free refrigerators).
      • Choose natural gas over coal.
      • Reduce deforestation.

    Types of Ecology

    • Types of ecology : Community, Global, and Landscape ecology.
    • Types of ecology - Molecular, Organismal, and Population Ecology.
    • Levels of ecology: Organisms, communities, and populations.

    Ecosystems Types

    • Terrestrial Ecosystems.
      • Forest
      • Grassland
      • Desert
    • Aquatic Ecosystems.
    • Aquatic Ecosystem types:
      • Fresh water
      • Marine

    Ecology Definitions and Principles

    • Ecology: The study of interactions between living organisms and their environment.
    • Ecosystem: A community of living organisms interacting with their physical environment, functioning as an integrated unit.
    • Trophic levels: Levels in a food chain or web that are defined by how the organism obtains energy within an ecosystem.
    • Ecological Pyramids: Graphical representations that show the biomass and/or numbers at each trophic level of an ecosystem.

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    Description

    Test your knowledge on the fundamentals of ecology and environmental pollution. This quiz covers key concepts, historical contributions, and the role of NGOs and governments in environmental protection. Perfect for students and anyone interested in environmental science.

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