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IGCSE O Level Biology Practice Tests

IGCSE O Level Biology Online Tests

Pollution BOD and Eutrophication MCQ (Multiple Choice Questions) PDF Download

The Pollution BOD and Eutrophication Multiple Choice Questions (MCQ Quiz) with Answers PDF (Pollution BOD and Eutrophication MCQ PDF e-Book) download to practice IGCSE O Level Biology Tests. Study Effects of Human Activity on Ecosystem Multiple Choice Questions and Answers (MCQs), Pollution BOD and Eutrophication quiz answers PDF to study online school courses. The Pollution BOD and Eutrophication MCQ App Download: Free learning app for soil erosion, conservation: renewable resources, deforestation and pollution test prep for SAT subject test tutoring.

The MCQ: Narrow tolerance of oxygen (O2) is found in; "Pollution: BOD and Eutrophication" App Download (Free) with answers: Humans; Plants; Mammals; Fish; to study online school courses. Practice Pollution BOD and Eutrophication Quiz Questions, download Apple eBook (Free Sample) for best SAT prep courses online.

Pollution BOD and Eutrophication MCQs: Questions and Answers PDF Download

MCQ 1:

The higher the BOD, the

  1. lower the water pollution
  2. lesser the bacteria in it
  3. more the water pollution
  4. the more the air pollution
MCQ 2:

Narrow tolerance of oxygen (O2) is found in

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

BOD measures the amount of

  1. bacteria in a given sample of water
  2. algae being decomposed in a given sample
  3. oxygen bacteria need to decompose organic matter in a given sample
  4. oxygen bacteria need to decompose organic matter in a given sample in a fixed period of time
MCQ 4:

The word BOD refers to the

  1. Bidding of Dermatology
  2. Binding of Dirt
  3. Biochemical occupied Date
  4. Biochemical Oxygen demand
MCQ 5:

Fish die as a result of water pollution due to

  1. less BOD
  2. more tolerance range for oxygen
  3. narrow tolerance range for oxygen
  4. zero tolerance range for oxygen

IGCSE O Level Biology Practice Tests

Pollution: BOD and Eutrophication Learning App: Free Download (iOS & Android)

The App: Pollution: BOD and Eutrophication MCQs App to learn Pollution: BOD and Eutrophication Textbook, O Level Biology MCQ App, and 9th Grade Biology MCQ App. The "Pollution: BOD and Eutrophication MCQs" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Pollution: BOD and Eutrophication App (Android & iOS)

Pollution: BOD and Eutrophication App (Android & iOS)

O Level Biology App (Android & iOS)

O Level Biology App (iOS & Android)

9th Grade Biology App (Android & iOS)

9th Grade Biology App (Android & iOS)

Cell Biology App (Android & iOS)

Cell Biology App (iOS & Android)