O Level Courses

Chapter 7: IGCSE O Level Biology Exam Tests

IGCSE O Level Biology MCQs - Chapter 7

Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQ) PDF - 22

The Effects of Human Activity on Ecosystem Trivia Questios and Answers PDF, Effects of Human Activity on Ecosystem Quiz Answers PDF Download e-Book Ch. 7-22 to study IGCSE O Level Biology Course. Solve Pollution Causes MCQs, Effects of Human Activity on Ecosystem quiz answers PDF to study online schools courses. The Effects of Human Activity on Ecosystem Quiz App Download: Free educational app for deforestation, air and water pollution, pollution: pesticides and ddt, causes of pollution: biology, atmospheric pollution career test for online college for teaching degree.

The Trivia Quiz: Increased melting of ice glaciers may be a result of;; "Effects of Human Activity on Ecosystem" App APK Download (Free) with answers: Smog formation; Greenhouse effect; Sun getting closer to the Earth every year; Moon moving away causing more tidal activities; for SAT test. Practice Learning with Biology Quiz Questions, download Kindle eBook (Free Sample) to study online schools courses.

Effects of Human Activity on Ecosystem Questions and Answers PDF Download: MCQ Quiz 22

MCQ 106:

Increased melting of ice glaciers may be a result of

  1. greenhouse effect
  2. smog formation
  3. sun getting closer to the Earth every year
  4. moon moving away causing more tidal activities
MCQ 107:

Use of fossil fuels causes

  1. pollution
  2. conservation of resources
  3. global warming
  4. infections
MCQ 108:

DDT (dichloro-diphenyl-trichloroethane: C14H9Cl5) is

  1. insoluble in water
  2. soluble in water
  3. sparingly soluble in water
  4. aspiringly insoluble in water
MCQ 109:

Harmful substances introduced in the air includes all, but

  1. carbon dioxide
  2. lead
  3. zinc
  4. nitrogen oxide
MCQ 110:

Risks of flood increases if

  1. more smog occurs
  2. more tress are planted
  3. soil erosion is prevented
  4. greenhouse effect increases

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Effects of Human Activity on Ecosystem App (Android & iOS)

Effects of Human Activity on Ecosystem App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

9th Grade Biology App (Android & iOS)

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Molecular Biology App (Android & iOS)

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