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IGCSE O Level Biology Practice Tests

IGCSE O Level Biology Online Tests

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

The e-Book Pollution BOD and Eutrophication Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Pollution BOD and Eutrophication MCQ PDF Book) to learn online igcse biology degree courses. Study Effects of Human Activity on Ecosystem Multiple Choice Questions and Answers (MCQs), Pollution BOD and Eutrophication quiz answers PDF to learn online certificate courses. The Pollution BOD and Eutrophication MCQ App Download: Free learning app for soil erosion, conservation: renewable resources, deforestation and pollution test prep for ACT prep classes.

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Pollution BOD and Eutrophication MCQs: Questions and Answers PDF Download

MCQ 1: The higher the BOD, the

A) lower the water pollution
B) lesser the bacteria in it
C) more the water pollution
D) the more the air pollution

MCQ 2: Narrow tolerance of oxygen (O2) is found in

A) humans
B) plants
C) mammals
D) fish

MCQ 3: BOD measures the amount of

A) bacteria in a given sample of water
B) algae being decomposed in a given sample
C) oxygen bacteria need to decompose organic matter in a given sample
D) 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

A) Bidding of Dermatology
B) Binding of Dirt
C) Biochemical occupied Date
D) Biochemical Oxygen demand

MCQ 5: Fish die as a result of water pollution due to

A) less BOD
B) more tolerance range for oxygen
C) narrow tolerance range for oxygen
D) zero tolerance range for oxygen

IGCSE O Level Biology Practice Tests

Pollution: BOD and Eutrophication Learning App & Free Study Apps

Download Pollution: BOD and Eutrophication MCQs App to learn O Level Biology MCQs, 10th Grade Biology MCQ App, and Zoology MCQ App with answers. The free "Pollution: BOD and Eutrophication MCQs" App (Android & iOS) includes complete analytics of history with interactive assessments. Download Play Store & App 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 (Android & iOS)

10th Grade Biology App (Android & iOS)

10th Grade Biology App (Android & iOS)

Zoology App (Android & iOS)

Zoology App (Android & iOS)