Human Impact on Environment
Biology ⇒ Ecology and Environment
Human Impact on Environment starts at 8 and continues till grade 12.
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See sample questions for grade 8
Describe how urbanization can affect local wildlife.
Describe one negative impact of mining on the environment.
Describe one way humans can reduce their impact on the environment.
Describe the impact of single-use plastics on the environment.
Explain how human activities contribute to soil erosion.
Explain how the construction of dams can affect river ecosystems.
A city decides to replace all its streetlights with energy-efficient LED lights. What is one environmental benefit of this action?
A factory releases untreated wastewater containing heavy metals into a river. Describe two possible effects this could have on the river ecosystem.
What is the main cause of ozone layer depletion? (1) Carbon dioxide emissions (2) Chlorofluorocarbons (CFCs) (3) Methane gas (4) Nitrogen oxides
Which human activity is most responsible for the increase in greenhouse gases? (1) Fishing (2) Burning fossil fuels (3) Planting trees (4) Using bicycles
Which of the following is a benefit of composting organic waste? (1) Increases landfill waste (2) Produces useful fertilizer (3) Releases toxic gases (4) Pollutes water
Which of the following is a consequence of global warming? (1) Melting glaciers (2) Decreased rainfall (3) Increased biodiversity (4) Lower sea levels
Acid rain is mainly caused by the release of _______ and _______ oxides into the atmosphere.
Deforestation leads to a decrease in the amount of _______ in the atmosphere.
Fill in the blank: The excessive use of fertilizers can lead to _______ of water bodies, causing algal blooms.
Fill in the blank: The introduction of non-native species by humans can lead to _______ of native species.
True or False: Human activities can cause the extinction of animal species.
True or False: Human impact on the environment can be both positive and negative.
True or False: Overpopulation can increase the demand for natural resources.
True or False: Recycling helps to reduce the amount of waste in landfills.
