Environmental Pollution - JSS1 Physical and Health Education Past Questions and Answers - page 2
What is bioremediation?
Disposing of waste in landfills
Planting trees to improve air quality
Using microorganisms to clean up contaminated soil
Applying chemical fertilizers to crops
What is one impact of deforestation on soil?
Increased fertility
Enhanced wildlife habitat
Soil erosion
Reduced water contamination
Which substance is commonly found in industrial waste that pollutes soil?
Organic matter
Heavy metals
Clean water
Plant nutrients
What role does legislation play in controlling soil pollution?
It promotes the excessive use of pesticides
It enforces laws to regulate pollutant discharge
It encourages dumping waste in open fields
It prevents the planting of trees
What is the definition of pollution?
Pollution is the introduction of harmful substances or products into the environment, causing adverse effects on living organisms and the environment.
Name and describe three types of pollution.
Air Pollution: Contaminants like smoke, dust, and gases enter the atmosphere, leading to health issues and environmental damage.
Water Pollution: Harmful substances such as chemicals, waste, and pathogens are introduced into water bodies, affecting aquatic life and human health.
Soil Pollution: The presence of toxic chemicals in the soil, affecting its quality and the health of organisms living in or growing from it.
What are some common causes of soil pollution?
Common causes of soil pollution include industrial activities, agricultural activities (use of pesticides and fertilizers), improper waste disposal, oil spills, mining activities, and deforestation.
How does soil pollution affect human health?
Soil pollution can cause health risks such as skin diseases, respiratory problems, and other health issues when people come into contact with or consume contaminated soil or crops.
What methods can be used to control soil pollution?
Methods to control soil pollution include proper waste management, the use of organic farming techniques, remediation techniques like bioremediation, enforcing environmental laws, awareness programs, and afforestation.
Why is afforestation important in preventing soil pollution?
Afforestation is important in preventing soil pollution because planting trees helps prevent soil erosion, maintains soil quality, and supports a healthy ecosystem.