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IGCSE O Level Biology Competitive Exam: Practice Test 13 (Chapter 7)

Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQs) PDF Download - 13

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The Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQs) with Answers PDF (Effects of Human Activity on Ecosystem MCQs PDF e-Book) download Ch. 7-13 to study IGCSE O Level Biology Course. Practice Pollution: Carbon Monoxide MCQs, Effects of Human Activity on Ecosystem quiz questions and answers PDF for colleges that offer certificate programs. The Effects of Human Activity on Ecosystem MCQs App Download: Free IGCSE O Level Biology App to study pollution: causes of pollution, pollution: smog as cause, pollution: bod and eutrophication, conservation: forests and renewable resources career test to study online schools courses.

The MCQ: Exhaust motor vehicle is the main source of "Effects of Human Activity on Ecosystem" App Download [Free] with answers: carbon monoxide, manganese, sulphur dioxide, and nitrogen oxide to study online schools courses. Solve Biotechnology: Fermentation Products Quiz Questions, download Google eBook (Free Sample) for SAT prep classes.

Effects of Human Activity on Ecosystem MCQs with Answers PDF Download: MCQ Quiz 13

MCQ: 61

Exhaust motor vehicle is the main source of

  1. manganese
  2. carbon monoxide
  3. sulphur dioxide
  4. nitrogen oxide
MCQ: 62

Death of fish in lakes and rivers in some countries has been attributed to

  1. gaseous pollutants
  2. air toxics
  3. acid rains
  4. pollution
MCQ: 63

Smoke and fog combine to form

  1. smog
  2. fossil
  3. acid rains
  4. water pollution
MCQ: 64

Narrow tolerance of oxygen (O2) is found in

  1. humans
  2. plants
  3. mammals
  4. fish
MCQ: 65

Leukemia can be cured through

  1. periwinkle plant
  2. pyrethrum
  3. chrysanthemum
  4. herbicides

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

Effects of Human Activity on Ecosystem MCQ App

O Level Biology MCQ App (iOS & Android)

O Level Biology MCQ App

10th Grade Biology MCQs App (iOS & Android)

10th Grade Biology MCQs App

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