Class 7 Courses

Chapter 1: Class 7 Geography Exam Tests

Class 7 Geography MCQs - Chapter 1

Air and Water Pollution Trivia Questions & Answers PDF Download - 4

The Air and water pollution Trivia Questions and Answers PDF (air and water pollution Quiz Answers PDF e-Book) download Ch. 1-4 to study Grade 7 Geography Course. Practice Types of Pollution MCQ PDF, Air and Water Pollution Quiz Questions and Answers to learn e-learning courses. The Air and Water Pollution Trivia App Download: Free certification app for types of pollution, consequences of pollution test prep for online elementary school courses.

The Quiz: The Chlorofluorocarbon (CFC) remains in atmosphere for; "Air and Water Pollution" App APK Download with answers: 30 to 50 years; 22 to 111 years; 80 to 90 years; 10 to 20 years; to learn e-learning courses. Practice Types of Pollution MCQ Questions, download Kindle eBook (Free Sample) for online courses.

Air and Water Pollution Test Questions and Answers PDF Download: MCQ 4

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%

Air and Water Pollution Textbook App: Free Download iOS & Android

The App: Air and Water Pollution Quiz App to study Air and Water Pollution Textbook, 7th Grade Geography Quiz App, and 8th Grade Geography Quiz App. The "Air and Water Pollution Quiz" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Air and Water Pollution App (Android & iOS)

Air and Water Pollution App (Android & iOS)

7th Grade Geography App (Android & iOS)

7th Grade Geography App (iOS & Android)

8th Grade Geography App (Android & iOS)

8th Grade Geography App (Android & iOS)

6th Grade Geography App (Android & iOS)

6th Grade Geography App (iOS & Android)