IGCSE O Level Biology Online Tests
Causes of Pollution Biology MCQ (Multiple Choice Questions) PDF Download
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The Causes of Pollution Biology Multiple Choice Questions (MCQ Quiz) with Answers PDF (Causes of Pollution Biology 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), Causes of Pollution Biology quiz answers PDF to study online school courses. The Causes of Pollution Biology MCQ App Download: Free learning app for soil erosion, conservation: renewable resources, deforestation and pollution test prep for SAT subject test tutoring.
The MCQ: Reaction between oxides of nitrogen (N2) and oxygen (O2) results in; "Causes of Pollution: Biology" App Download (Free) with answers: Formation of nitric acid only; Acid rains only; Alkali rain; Formation of nitric acid and acid rains; to study online school courses. Practice Causes of Pollution Biology Quiz Questions, download Apple eBook (Free Sample) for best SAT prep courses online.
Causes of Pollution Biology MCQs: Questions and Answers PDF Download
Lives of organisms in ecosystem become threatened due to
- urbanization
- industrialization
- introduction of toxics in ecosystem
- rapid housing
Reaction between oxides of nitrogen (N2) and oxygen (O2) results in
- formation of nitric acid only
- acid rains only
- alkali rain
- formation of nitric acid and acid rains
Incomplete burning of fuel causes
- decrease in annual rain fall
- decay of fossil fuels
- rapid sheet erosion
- pollution
Process by which harmful substances are added to environment is called as
- Silting
- Pollution
- Desertification
- Flooding
Reaction between sulfur dioxide and oxygen results in
- sulfuric acid only
- acid rain only
- alkali rain
- sulfuric acid and acid rain
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