R.A.Podar College: Environmental Studies Semester-II Unit-I Quiz

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Questions and Answers

What is the primary reason for the widespread use of plastic?

  • It is environmentally friendly
  • It is highly biodegradable
  • It is lightweight and colorful
  • It is cost-effective and durable (correct)

How does plastic waste contribute to soil pollution and land degradation?

  • By releasing harmful gases when decomposing
  • By disrupting the nutrient cycle in the soil (correct)
  • By blocking the absorption of sunlight by plants
  • By attracting pests and insects to agricultural lands

What impact does plastic pollution have on aquatic organisms?

  • It leads to a decrease in their population (correct)
  • It improves their habitat quality
  • It enhances their immune systems
  • It boosts their reproduction rates

Why is the management practice of 'reduce, reuse, and recycle' important for plastic waste?

<p>To minimize the environmental impact of plastic waste (D)</p> Signup and view all the answers

What is one negative consequence of animals eating plastic from dumping grounds?

<p>Increased risk of choking or digestive blockages (B)</p> Signup and view all the answers

How does the accumulation of cadmium in the kidney and liver affect human health?

<p>It leads to neural damage and malformations in embryos (B)</p> Signup and view all the answers

Which factor does NOT influence the amount of waste generated according to the text?

<p>The traditional rural societies (A)</p> Signup and view all the answers

What type of waste is predominantly produced by urban societies according to the text?

<p>Toxic and non-biodegradable waste (D)</p> Signup and view all the answers

Which of the following is NOT listed as a major source of waste in the text?

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

What defines waste in the context given in the text?

<p>Any solid or liquid material that has no use (C)</p> Signup and view all the answers

Which sector is the source of waste with the widest variety according to the text?

<p>Industrial &amp; commercial sector (A)</p> Signup and view all the answers

What distinguishes industrial waste from biomedical waste according to the text?

<p>Source of generation (D)</p> Signup and view all the answers

What concept involves converting waste into usable form?

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

Which concept advocates for thinking before generating waste?

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

What is the purpose of the 'Refuse' concept in waste management?

<p>To reduce the generation of waste (D)</p> Signup and view all the answers

Which concept involves using the same material multiple times in its original form?

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

What is the significance of 'Research' in effective waste management?

<p>To reduce waste production (C)</p> Signup and view all the answers

How does 'Regulate' contribute to modern lifestyle and waste management?

<p>By reducing waste production (A)</p> Signup and view all the answers

What is the main disadvantage of thermal treatment method for waste disposal?

<p>It leads to air pollution (D)</p> Signup and view all the answers

Which type of waste can be decomposed or digested biologically in the recycling process?

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

What is the main focus of avoidance and reduction method of waste management?

<p>Preventing the generation of waste (C)</p> Signup and view all the answers

Which of the following is an example of physical recycling?

<p>Reusing beverage cans (B)</p> Signup and view all the answers

How can heat, gas, or steam produced by incinerators be utilized?

<p>To generate electricity (D)</p> Signup and view all the answers

What does physical recycling entail?

<p>Reusing materials without treatment (C)</p> Signup and view all the answers

What is the term for the process in which toxic chemicals get accumulated in plants, microbes, or organisms?

<p>Bio-accumulation (A)</p> Signup and view all the answers

What kind of pollution can affect plants and terrestrial animals?

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

Which type of waste disposal can harm aquatic organisms?

<p>Improper waste disposal (B)</p> Signup and view all the answers

What can be a consequence of toxic waste released from industries?

<p>Destruction of habitats (B)</p> Signup and view all the answers

What is one social impact of improper waste disposal in residential areas?

<p>Growth of pathogens (A)</p> Signup and view all the answers

Hot water released from thermal power plants or toxic waste released from industries can primarily affect which group of organisms?

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

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