Environmental Pollution
Biology ⇒ Ecology and Environment
Environmental Pollution starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Environmental Pollution.
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See sample questions for grade 10
Describe one way in which plastic pollution affects marine life.
Describe one way in which water pollution can be prevented at the household level.
Describe the role of catalytic converters in reducing air pollution from vehicles.
Describe two effects of water pollution on aquatic life.
Explain how deforestation can contribute to environmental pollution.
Explain how improper disposal of electronic waste can lead to environmental pollution.
A city experiences frequent episodes of smog during winter. Suggest two strategies that local authorities could implement to reduce air pollution and justify your choices.
A factory releases untreated wastewater containing heavy metals into a nearby lake. Describe two long-term ecological impacts this could have on the lake ecosystem.
Which gas is primarily responsible for the greenhouse effect?
(1) Oxygen
(2) Carbon dioxide
(3) Nitrogen
(4) Hydrogen
Which of the following is a biodegradable pollutant?
(1) Glass
(2) Vegetable peels
(3) Plastic bags
(4) Aluminum cans
Which of the following is a consequence of water pollution?
(1) Clean drinking water
(2) Spread of waterborne diseases
(3) Increased fish population
(4) Improved soil quality
Which of the following is a direct effect of air pollution on human health?
(1) Improved vision
(2) Respiratory problems
(3) Increased soil fertility
(4) Enhanced plant growth
Fill in the blank: The contamination of soil with harmful chemicals is known as _______ pollution.
Fill in the blank: The increase in Earth's average surface temperature due to greenhouse gases is called _______.
Fill in the blank: The presence of unwanted sound in the environment is called _______ pollution.
Fill in the blank: The process by which harmful substances are added to the environment is called _______.
True or False: Acid rain is mainly caused by the release of sulfur dioxide and nitrogen oxides into the atmosphere.
True or False: Eutrophication is caused by excessive nutrients in water bodies.
True or False: Lead is a toxic heavy metal that can cause soil and water pollution.
True or False: Smog is a type of air pollution caused by the combination of smoke and fog.
