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IGCSE O Level Biology Entrance Exam: Practice Test 6 (Chapter 7)

Effects of Human Activity on Ecosystem Multiple Choice Questions (MCQ) PDF Download - 6

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The Effects of Human Activity on Ecosystem Quiz Questions and Answers PDF (Effects of Human Activity on Ecosystem Quiz PDF e-Book) download Ch. 7-6 to study IGCSE O Level Biology Course. Practice Pollution: Pesticides and DDT Quiz, Effects of Human Activity on Ecosystem MCQ questions and answers PDF for accelerated bachelors degree online. The Effects of Human Activity on Ecosystem Quiz App Download: Free IGCSE O Level Biology App to study biology test questions, atmospheric pollution, recycling: waste disposal, conservation: renewable resources career test for colleges that offer online degrees.

The Quiz: In terms of tolerance range for oxygen (O2), Tubifex worms and fish are; "Effects of Human Activity on Ecosystem" App (iOS, Android) with answers: alike, differ, approximately same, and opposite to learn e-learning courses. Study GCE Biology Quiz Questions, download Google Book (Free Sample) for accelerated bachelors degree online.

Effects of Human Activity on Ecosystem Exam Questions and Answers PDF Download: Test 6

MCQ: 26

In terms of tolerance range for oxygen (O2), Tubifex worms and fish are

  1. differ
  2. alike
  3. approximately same
  4. opposite
MCQ: 27

Disadvantages of pesticides includes

  1. healthier crops
  2. higher yield of crops
  3. non-biodegradable pesticides
  4. availability of more food
MCQ: 28

Profuse growth of algae occurs due to

  1. hydrogen sulphide in water
  2. nitrates and phosphates in water
  3. carbon dioxide in water
  4. chlorine in water
MCQ: 29

In which category of resources, metal lies

  1. renewable resource
  2. non-renewable resource
  3. artificial resource
  4. element
MCQ: 30

Cinchona is used in making of

  1. quinine
  2. morphine
  3. pyrethrum
  4. DDT

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

Effects of Human Activity on Ecosystem MCQs App

O Level Biology MCQs App (iOS & Android)

O Level Biology MCQs App

Molecular Biology MCQ App (iOS & Android)

Molecular Biology MCQ App

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MCAT Biology MCQ App