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Free "Air and Water Pollution Quiz" App [Free] Android & iOS with MCQ: Large number of organisms can die if there is; with answers: low level of carbon dioxide, low level of oxygen, low level of methane, and low level of ethane to learn online school courses. Study Types of Pollution MCQ Questions, download Google Book (Free Chapter) for online degrees.

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MCQ 11: The large number of organisms can die if there is:

  1. low level of oxygen
  2. low level of carbon dioxide
  3. low level of methane
  4. low level of ethane

MCQ 12: The waste which takes 3 to 4 weeks to be decomposed in landfill is:

  1. banana peel
  2. wooden log
  3. disposable diaper
  4. leather shoe

MCQ 13: The waste which takes 80 to 100 years to be decomposed in landfill is:

  1. paper bag
  2. plastic bag
  3. aluminum can
  4. disposable diaper

MCQ 14: The layer of atmosphere that absorbs ultraviolet rays from Sun is called:

  1. troposphere
  2. ozone layer
  3. thermosphere
  4. mesosphere

MCQ 15: The air condition equipment, leaking refrigerators, spray cans and burning of plastic foams release:

  1. carob-oxides
  2. herbicides
  3. pesticides
  4. chlorofluorocarbon

Class 7 Geography Quiz App & e-Book – Air and Water Pollution Certification Guide

Transport and Communications MCQs
World Population and Resources MCQs
Internal Structure of Earth MCQs
Air and Water Pollution MCQs
The Land MCQs
Water Resources and Management MCQs
Settlements MCQs
Map Skills MCQs

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