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Questions and Answers
Eutrophication means
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?
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
The main components of photochemical smog is
- Water vapour
- Oxides of nitrogen (correct)
- Carbon dioxide
- Sulphur dioxide
The term Alpha diversity refers to
The term Alpha diversity refers to
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Deforestation generally decreases
Deforestation generally decreases
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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.
