IGCSE O Level Biology Practice Test 263
Pollution: Sewage as Cause Quiz Questions with Answers PDF Download - 263
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The Pollution Sewage as Cause Trivia Questions and Answers PDF (Pollution Sewage as Cause Quiz Answers PDF e-Book) download Ch. 7-263 to solve IGCSE O Level Biology Practice Tests. Learn Effects of Human Activity on Ecosystem MCQ Questions PDF, Pollution Sewage as Cause Multiple Choice Questions (MCQ Quiz) to study online school courses. The Pollution: Sewage as Cause Trivia App Download: Free educational app for pollution: sewage as cause, oesophagus, hormones: endocrine glands, oxygen debt, parasitism: malarial pathogen test prep for ACT prep classes.
The Trivia MCQ: Hydrogen sulfide (H2S) and ammonia (NH3) are produced from; "Pollution: Sewage as Cause" App (iOS & Android) with answers: Use of chlorofluorocarbon in foam packaging; The chimneys of factories; Decomposition of organic compounds by anaerobic bacteria; Treatment of acidic wastes with alkalis; for ACT prep classes. Study Effects of Human Activity on Ecosystem Questions and Answers, Google eBook to download free sample for accelerated bachelors degree online.
Pollution: Sewage as Cause Quiz with Answers PDF Download: MCQs 263
Hydrogen sulfide (H2S) and ammonia (NH3) are produced from
- the chimneys of factories
- use of chlorofluorocarbon in foam packaging
- decomposition of organic compounds by anaerobic bacteria
- treatment of acidic wastes with alkalis
Oesophagus is also called as
- gut
- gullet
- cavity
- duct
Diarrhea is caused due to
- increase in blood flow
- increase in rate of peristalsis
- decrease in rate of peristalsis
- decrease in blood flow
In respiration oxygen debt refers to the amount of
- oxygen required for oxidation
- oxygen lent to other muscles
- oxygen required to oxidize lactic acid
- oxygen required in rigorous running and physical activities
In ecosystem ,Pupa survives through
- feeding through the water
- feeding through the proboscis
- the food accumulated in the larva stage
- caudal flaps
IGCSE O Level Biology Exam Prep Tests
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