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 7
Describe how oil spills can harm marine life.
Describe one way to prevent water pollution at home.
Describe one way to reduce air pollution in cities.
Describe the impact of pollution on human health.
Explain how deforestation can contribute to environmental pollution.
Explain how water pollution can affect aquatic life.
A river near a city has become covered with a thick layer of green algae. Fish are dying, and the water smells bad. What type of pollution is most likely responsible for this situation, and what is the main cause?
A factory is located near a forest. After several years, the trees closest to the factory begin to lose their leaves and show signs of damage. Scientists find high levels of sulfur dioxide in the air. What type of pollution is most likely affecting the forest, and what is a possible consequence for the ecosystem?
Which of the following activities can help reduce soil pollution?
(1) Dumping waste in open land
(2) Using compost instead of chemical fertilizers
(3) Burning plastic
(4) Using pesticides excessively
Which of the following is a direct effect of water pollution on humans?
(1) Better health
(2) Waterborne diseases
(3) Increased rainfall
(4) More fish to eat
Which of the following is a greenhouse gas that contributes to global warming?
(1) Oxygen
(2) Carbon dioxide
(3) Nitrogen
(4) Helium
Which of the following is a harmful effect of plastic pollution in oceans?
(1) Increased fish population
(2) Death of marine animals
(3) Cleaner beaches
(4) More coral reefs
Fill in the blank: Excessive use of __________ in agriculture can lead to water pollution.
Fill in the blank: The contamination of the environment by substances that are harmful to living things is called __________.
Fill in the blank: The excessive use of __________ in farming can lead to soil and water pollution.
Fill in the blank: The main cause of smog in large cities is the emission of __________ from vehicles and factories.
True or False: Burning fossil fuels is a major cause of air pollution.
True or False: Environmental pollution can only be caused by human activities.
True or False: Noise pollution can disturb the sleep of both humans and animals.
True or False: Planting more trees can help reduce air pollution.
