IGCSE O Level Biology MCQs – Practice Test for Exam Prep

Pollution BOD and Eutrophication Multiple Choice Questions with Answers – PDF Download

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Learn "Pollution: BOD and Eutrophication MCQ" App Download (Free) with MCQ: Higher the BOD, the; with answers: lower the water pollution, lesser the bacteria in it, more the water pollution, and the more the air pollution. Practice Pollution BOD and Eutrophication Quiz Questions, download Apple Book (Free Chapter) to advance remote instruction.

Pollution BOD and Eutrophication MCQs PDF Download – Prep Test

MCQ 1: The higher the BOD, the:

lower the water pollution
lesser the bacteria in it
more the water pollution
the more the air pollution

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

humans
plants
mammals
fish

MCQ 3: BOD measures the amount of:

bacteria in a given sample of water
algae being decomposed in a given sample
oxygen bacteria need to decompose organic matter in a given sample
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:

Bidding of Dermatology
Binding of Dirt
Biochemical occupied Date
Biochemical Oxygen demand

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

less BOD
more tolerance range for oxygen
narrow tolerance range for oxygen
zero tolerance range for oxygen

IGCSE O Level Biology MCQs App & e-Book – Pollution: BOD and Eutrophication Practice Tests

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