Environmental Studies MCQ Quiz
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Questions and Answers

Eutrophication means

  • Industrial pollution
  • Increase in dissolved oxygen levels
  • Filling up of water body with aquatic due to extra nourishment (correct)
  • Thermal change in water
  • What does Biochemical oxygen demand mean?

  • Dissolved O2 needed by microbes to decompose organic waste (correct)
  • Polluting capacity of effluent
  • Industrial pollution
  • Air pollution
  • The main components of photochemical smog is

  • Water vapour
  • Oxides of nitrogen (correct)
  • Carbon dioxide
  • Sulphur dioxide
  • The term Alpha diversity refers to

    <p>Community and ecosystem diversity</p> Signup and view all the answers

    Deforestation generally decreases

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

    Study Notes

    Environmental Concepts

    • Eutrophication: A process where a body of water becomes enriched with excess nutrients, leading to an overgrowth of algae, depletion of oxygen, and subsequent harm to aquatic life.

    Water Quality Indicators

    • Biochemical Oxygen Demand (BOD): A measure of the amount of oxygen required by microorganisms to break down organic matter in water, indicating the level of water pollution.

    Air Pollution

    • Photochemical Smog: A type of air pollution caused by the reaction of sunlight, nitrogen oxides, and volatile organic compounds, resulting in a mixture of harmful pollutants, including ozone, particulate matter, and nitric acid.

    Ecology and Biodiversity

    • Alpha Diversity: A measure of the variety of species within a specific ecosystem or habitat, reflecting the richness and evenness of species composition.

    Forest Ecology

    • Deforestation: The clearance of forests, leading to a decrease in biodiversity, loss of habitat, and disruptions to ecosystem processes, ultimately decreasing ecosystem resilience.

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    Description

    Test your knowledge of environmental studies with this model MCQ quiz. Answer questions on topics like eutrophication, thermal changes, and more. Each question carries 2 marks, so make sure to select the correct alternative for each one. Sharpen your understanding of environmental concepts with this AECC course practice quiz.

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