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ICSE Class 10 Population and Pollution — practice questions

Explore 100 free Population and Pollution questions in ICSE Class 10 Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Population and Pollution questions and exercises with answers

Showing questions 1–30 of 100.

What makes a substance an air pollutant?Read the answer and worked solution →Which pair can be air pollutants?Read the answer and worked solution →Which activity is a major outdoor air-pollution source?Read the answer and worked solution →Which household activity can release indoor air pollution?Read the answer and worked solution →How is a primary air pollutant released?Read the answer and worked solution →How can secondary pollutants form?Read the answer and worked solution →Which gas is an example of a secondary pollutant?Read the answer and worked solution →What can form ground-level ozone in sunlight?Read the answer and worked solution →What is carbon monoxide like?Read the answer and worked solution →Where can carbon monoxide build up dangerously?Read the answer and worked solution →Which gas can form acid rain and haze?Read the answer and worked solution →What can sulfur dioxide form in cloud droplets?Read the answer and worked solution →Which technology can remove pollutants from factory emissions?Read the answer and worked solution →Which condition can make a water body polluted?Read the answer and worked solution →What term describes harmful contamination of water bodies?Read the answer and worked solution →Which input can contaminate rivers, lakes or groundwater?Read the answer and worked solution →A wastewater pipe has one identifiable discharge point. What type is it?Read the answer and worked solution →Which is an example of nonpoint-source pollution?Read the answer and worked solution →Which contaminants can sewage carry into water?Read the answer and worked solution →Which organisms may occur as waterborne pathogens?Read the answer and worked solution →What can untreated wastewater contaminate?Read the answer and worked solution →What is one purpose of sewage treatment?Read the answer and worked solution →What can be used to reduce pathogens in sewage?Read the answer and worked solution →What commonly causes thermal water pollution?Read the answer and worked solution →What can warmer water do to dissolved oxygen?Read the answer and worked solution →What can excessive nutrients cause in water?Read the answer and worked solution →Which practice helps control water pollution from urban runoff?Read the answer and worked solution →What commonly causes soil contamination?Read the answer and worked solution →Which substance may contaminate soil from farming?Read the answer and worked solution →Which metal group may be a soil contaminant?Read the answer and worked solution →

Worked practice questions

What makes a substance an air pollutant?

  1. It harms life or surroundings
  2. It improves soil drainage
  3. It adds minerals to water
  4. It cools the atmosphere
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Correct answer: A. It harms life or surroundings

Air pollution involves substances in air that harm people, other organisms, or the environment.

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Which pair can be air pollutants?

  1. Gases and small particles
  2. Rivers and sediments
  3. Roots and soil minerals
  4. Sound and light waves
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Correct answer: A. Gases and small particles

Air pollutants can be gases or small airborne particles.

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Which activity is a major outdoor air-pollution source?

  1. Planting native trees
  2. Burning fossil fuels
  3. Using solar power
  4. Collecting rainwater
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Correct answer: B. Burning fossil fuels

Fossil-fuel burning for electricity and transport contributes to outdoor air pollution.

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How to practise

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