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

IGCSE O Level Biology MCQs (O Level) From Textbook

IGCSE O Level Biology MCQs – Practice Test 8 (Chapter 7)

Effects of Human Activity on Ecosystem Notes Questions with Answers PDF Download – Test 8

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Learn Effects of Human Activity on Ecosystem Notes Questios and Answers PDF to achieve learning goals. Download the Effects of Human Activity on Ecosystem Quiz Answers PDF e-Book, Ch. 7-8 to study IGCSE O Level Biology Course. Solve Pollution: Carbon Monoxide MCQs, Effects of Human Activity on Ecosystem quiz answers PDF to achieve learning goals. Download IGCSE O Level Biology Notes App: Free Effects of Human Activity on Ecosystem Study App to learn pollution: inorganic wastes as cause, conservation: renewable resources, herbicides: o level biology, deforestation and pollution career test to achieve virtual competence.

Free IGCSE O Level Biology Notes App with MCQ: "High concentrations of carbon monoxide (CO)"; with answers: reduces capacity of oxygen transportation through blood in the body, reduces capacity of blood transport, is caused due to incomplete fossil decay, and is caused due to smog formation. Practice Hormones: Endocrine Glands Quiz Questions, download Kobo e-Book (Free Chapter) to achieve learning goals.

Effects of Human Activity on Ecosystem Test Questions and Answers PDF Download: MCQ 8

MCQ 36: High concentrations of carbon monoxide (CO):

  1. reduces capacity of blood transport
  2. reduces capacity of oxygen transportation through blood in the body
  3. is caused due to incomplete fossil decay
  4. is caused due to smog formation

MCQ 37: Cadmium is an example of:

  1. organic waste
  2. inorganic waste
  3. nitrogenous waste
  4. carbonic waste

MCQ 38: Fossil fuels and minerals are examples of:

  1. renewable resources
  2. non-renewable resources
  3. artificial resources
  4. pollutants

MCQ 39: Over a period of time, mosquitoes have developed resistance to:

  1. dichlorodiphenyl trichloroethane (DDT)
  2. biochemical oxygen demand (BOD)
  3. dioxins
  4. eutrophication

MCQ 40: Which one is a characteristic of fossil fuels:

  1. cannot be recycled
  2. can be recycled
  3. can be reused
  4. can be reprocessed

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