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Study Air and water pollution Multiple Choice Questions (MCQs) with Answers PDF to master environmental geography. Download the Air and Water Pollution MCQs PDF e-Book, Ch. 1-5 to study Class 7 Geography Course. Learn Air and Water Pollution Quiz Questions and Answers for geography digital practice activities. Free Air and Water Pollution Learning App Download: Class 7 Geography MCQs App to types of pollution, air and water pollution, pollution control test prep for geography remote school readiness.

Download "Air and Water Pollution Learning" App: Way in which plants die because of dropped level of oxygen is classified as; MCQ with answers: allotrophication, eutrophication, oxygenation, and de-oxygenation. Solve Types of Pollution MCQ Questions, download Google e-Book (Free Chapter) to master environmental geography.

Air and Water Pollution MCQs – Practice Test 5 PDF Download

MCQ 21: The way in which plants die because of dropped level of oxygen is classified as:

  1. eutrophication
  2. allotrophication
  3. oxygenation
  4. de-oxygenation

MCQ 22: The addition of harmful substances that has bad effects on environment and living things is classified as:

  1. allotrophication
  2. eutrophication
  3. atmospheric pressure
  4. pollution

MCQ 23: The poisonous substances that can be present in industrial wastes does not includes:

  1. phosphates
  2. nitrates
  3. mercury and lead
  4. oxygen

MCQ 24: The Kyoto Protocol agreement was signed in:

  1. 1997
  2. 1990
  3. 1985
  4. 1980

MCQ 25: The document that was drafted by India, Brazil, China, United States and South Africa at meeting under UNFCCC is classified as:

  1. Greenhouse Accord
  2. United Nation Accord
  3. Copenhagen Accord
  4. Denmark Accord

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Air and Water Pollution MCQs
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