Effects of Human Activity on Ecosystem Learning App | IGCSE O Level Biology MCQs e-Book PDF

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IGCSE O Level Biology MCQs – Practice Test 17 (Chapter 7)

Effects of Human Activity on Ecosystem MCQs with Answers PDF Download – Test 17

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Study Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQs) with Answers PDF to optimize study effectiveness. Download the Effects of Human Activity on Ecosystem MCQs PDF e-Book, Ch. 7-17 to study IGCSE O Level Biology Course. Practice Pollution: Pesticides and DDT MCQs, Effects of Human Activity on Ecosystem quiz questions and answers PDF to achieve examination success. Free Effects of Human Activity on Ecosystem MCQs App: Download IGCSE O Level Biology Learning App to study pollution causes, pollution: causes of pollution, deforestation, air and water pollution, recycling: waste disposal career test for biology theory studies.

Learn Effects of Human Activity on Ecosystem MCQs App Download with MCQ: "DDT stands for"; with answers: dichloro-triphenyl dichloroethane, dichloro-diphenyl trichloroethane, dichloro triammomium methane, and difluoro-diphenyl-tribromobutane. Solve Structure of Cell: Vacuoles Quiz Questions, download Google e-Book (Free Chapter) to optimize study effectiveness.

Effects of Human Activity on Ecosystem MCQs with Answers PDF Download: MCQ Quiz 17

MCQ 81: DDT stands for:

  1. Dichloro-diphenyl trichloroethane
  2. Dichloro-triphenyl dichloroethane
  3. Dichloro triammomium methane
  4. Difluoro-diphenyl-tribromobutane

MCQ 82: Upon entering through stomata, the leaves get damaged and plant dies. This pollutant is:

  1. carbon dioxide
  2. lead
  3. carbon monoxide
  4. sulphur dioxide

MCQ 83: Biological decay, forest fires and volcanic eruptions are example of:

  1. gaseous pollutants
  2. water pollutants
  3. human-caused pollution
  4. soil pollution

MCQ 84: Water pollution is primarily caused by:

  1. forest fires
  2. volcanic eruptions
  3. biological decay
  4. human activities

MCQ 85: Making new containers from crushed glass helps to:

  1. save materials only
  2. save fuel only
  3. increase pollution
  4. save materials and fuel

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