Definition and Scope of Environmental Studies
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Questions and Answers

Which of the following is considered a biotic natural resource?

  • Plants (correct)
  • Water
  • Minerals
  • Coal

What type of resources are forest cover, wildlife numbers, and wind energy examples of?

  • Renewable resources (correct)
  • Abiotic resources
  • Non-renewable resources
  • Human-made resources

Which type of natural resources do minerals, coal, and petroleum belong to?

  • Geothermal resources
  • Biotic resources
  • Renewable resources
  • Non-renewable resources (correct)

What are natural resources that are useful to man or could be useful under conceivable circumstances called?

<p>Potential resources (A)</p> Signup and view all the answers

Which of the following is NOT an example of a natural resource?

<p>Plastic (B)</p> Signup and view all the answers

What do natural resources encompass based on the lecture?

<p>Materials found in the environment without human intervention (A)</p> Signup and view all the answers

In what domain were natural resources traditionally associated with?

<p>Natural sciences (C)</p> Signup and view all the answers

Why are renewable resources considered more sustainable than non-renewable resources?

<p>Renewable resources regenerate within a given time period (D)</p> Signup and view all the answers

What is one of the reasons it's important for humans to protect all living species?

<p>To maintain the aesthetic and recreational values of nature (B)</p> Signup and view all the answers

Which extinct species was endemic to the island of Mauritius in the Indian Ocean?

<p>Dodo (A)</p> Signup and view all the answers

Why are National Parks and Wildlife Sanctuaries established by governments?

<p>To provide learning experiences about ecosystem functioning (B)</p> Signup and view all the answers

What can be witnessed in the magnificence of a mountain, the power of the sea, the beauty of a forest, and the vast expanse of the desert?

<p>The aesthetic and recreational values of nature (B)</p> Signup and view all the answers

In what way do National Parks and Wildlife Sanctuaries contribute to protecting biodiversity?

<p>By preserving relatively undisturbed habitats for wild species (D)</p> Signup and view all the answers

What is a consequence of the degradation of habitats due to human activities on living species?

<p>Threat to their existence leading to possible extinction (B)</p> Signup and view all the answers

In which type of habitat does halosere succession take place?

<p>A habitat with saline water or soil conditions (B)</p> Signup and view all the answers

What is the term for succession that occurs on a xeric habitat with minimal moisture?

<p>Xerosere (A)</p> Signup and view all the answers

Which type of succession starts in an aquatic habitat?

<p>Hydrosere (D)</p> Signup and view all the answers

What is the phase of ecological succession that involves the development of a bare area before new species arrive?

<p>Nudation (A)</p> Signup and view all the answers

Which type of successional phase occurs when replacement of a community is due to external conditions rather than existing organisms?

<p>Allogeneic Succession (D)</p> Signup and view all the answers

What type of succession takes place where adequate moisture conditions exist?

<p>Mesarch (D)</p> Signup and view all the answers

What is one of the critical roles played by aquatic ecosystems?

<p>Recycling nutrients and cleaning water (D)</p> Signup and view all the answers

How do species in aquatic ecosystems contribute to the ecosystem's health?

<p>By providing a source of food for other animals (D)</p> Signup and view all the answers

Which of the following is NOT a function of aquatic ecosystems as mentioned in the text?

<p>Creating deserts (A)</p> Signup and view all the answers

Why are aquatic ecosystems considered a vital source of food for many people?

<p>Because they provide a source of protein, vitamins, and minerals (B)</p> Signup and view all the answers

What does the movement and cycling of water in aquatic ecosystems help maintain?

<p>The ecosystem's health (B)</p> Signup and view all the answers

Apart from fish, what other types of living organisms can be found in aquatic ecosystems?

<p>Amphibians, reptiles, and invertebrates (D)</p> Signup and view all the answers

What is the artificial process by which saline water is converted to fresh water?

<p>Desalination (C)</p> Signup and view all the answers

Where does ground water primarily exist?

<p>Inside the pores of the soil and aquifers (C)</p> Signup and view all the answers

Which type of water is naturally lost through discharge to the oceans?

<p>Surface water (D)</p> Signup and view all the answers

What is the characteristic that defines an aquifer?

<p>Transmitting groundwater to the surface (B)</p> Signup and view all the answers

When does a river become dry at its end point?

<p>When it reaches its last point without continuing to another body of water (D)</p> Signup and view all the answers

Under what circumstances can ice appear as a more or less opaque bluish-white color?

<p>When there are impurities like soil particles or air bubbles present (A)</p> Signup and view all the answers

What is the primary reason for soil compaction leading to desertification?

<p>Logging (A)</p> Signup and view all the answers

How does overgrazing contribute to desertification?

<p>Affects wind patterns (D)</p> Signup and view all the answers

What effect does salinization have on land?

<p>Causes a buildup of salts (C)</p> Signup and view all the answers

How does deforestation impact soil fertility?

<p>Reduces soil fertility (A)</p> Signup and view all the answers

Which factor contributes to the quick draining off of surface run-off?

<p>Deforestation (B)</p> Signup and view all the answers

How does soil compaction affect seed germination?

<p>Prevents seed germination (C)</p> Signup and view all the answers

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