Air and Water Pollution Learning App | Class 7 Geography Notes e-Book PDF

Class 7 Geography MCQs (Grade 7) From Textbook

Class 7 Geography Exam MCQs – Practice Test 4 (Chapter 1)

Air and Water Pollution Notes Questions with Answers PDF Download – Test 4

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Study Air and water pollution Notes Questions and Answers PDF (Air and Water Pollution Quiz Answers PDF e-Book) download Ch. 1-4 to study Class 7 Geography Course. Practice Types of Pollution MCQ PDF, Air and Water Pollution Quiz Questions and Answers for geography digital classroom systems. Free Air and Water Pollution Learning App Download: Class 7 Geography Notes App to types of pollution, consequences of pollution test prep for geography remote educational accessibility.

Free "Air and Water Pollution" App with MCQ: Chlorofluorocarbon (CFC) remains in atmosphere for; with answers: 30 to 50 years, 22 to 111 years, 80 to 90 years, and 10 to 20 years for geography digital classroom systems. Practice Types of Pollution MCQ Questions, download Kobo e-Book (Free Chapter) to learn climate studies.

Air and Water Pollution MCQs – Practice Test 4 PDF Download

MCQ 16: The Chlorofluorocarbon (CFC) remains in atmosphere for:

  1. 22 to 111 years
  2. 30 to 50 years
  3. 80 to 90 years
  4. 10 to 20 years

MCQ 17: The waste which takes 1 month to be decomposed in landfill is:

  1. leather shoe
  2. banana peel
  3. plastic bag
  4. paper bag

MCQ 18: The continent whose rivers are most polluted in world is:

  1. Africa
  2. Asia
  3. North America
  4. South America

MCQ 19: The causes of air pollution includes:

  1. chlorofluorocarbon
  2. cars and motor vehicles
  3. power plants and industries
  4. all of above

MCQ 20: According to World Health Organization, the percentage of the deaths due to environmental factors is:

  1. 85%
  2. 25%
  3. 50%
  4. 65%

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