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Environmental Studies MCQ Quiz

Created by

@InspiringStrength3889

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Questions and Answers

Which of the following best defines eutrophication?

Thermal change in water

Filling up of water body with aquatic due to extra nourishment (correct)

Solid waste

None of the above

What does biochemical oxygen demand (BOD) mean?

Industrial pollution

Air pollution

Polluting capacity of effluent

Dissolved O2 needed by microbes to decompose organic waste (correct)

Which of the following is the main component of photochemical smog?

Water vapour

Sulphur dioxide

Oxides of nitrogen (correct)

All of the above

How does deforestation generally affect rainfall?

<p>Decreases rainfall</p> Signup and view all the answers

What does the term 'Alpha diversity' refer to?

<p>Biodiversity within a specific habitat</p> Signup and view all the answers

Study Notes

Eutrophication

Eutrophication is the process of excessive nutrient accumulation in water bodies, leading to overgrowth of aquatic plants and depletion of oxygen, causing harm to aquatic life.

Biochemical Oxygen Demand (BOD)

Biochemical Oxygen Demand (BOD) is the amount of dissolved oxygen needed by microorganisms to break down organic matter in water.

Photochemical Smog

The main component of photochemical smog is ground-level ozone, a toxic gas formed through the reaction of sunlight, nitrogen oxides, and volatile organic compounds.

Deforestation and Rainfall

Deforestation generally decreases rainfall, as forests absorb and recycle water, and their removal disrupts the water cycle, leading to reduced precipitation.

Alpha Diversity

Alpha diversity refers to the variety of different species within a particular community or ecosystem, measuring the richness of species in a specific area.

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Description

Test your knowledge on Environmental Studies with this model MCQ quiz. Answer questions on topics like eutrophication, biodiversity, and sustainable development. Each question carries 2 marks, so make sure to choose the correct alternative for maximum score.