1 Which of the following is a method to prevent water pollution? A Treating sewage before disposal B Dumping waste into rivers C Using chemical fertilizers D Cutting down trees
2 What is the main effect of air pollution on human health? A Respiratory problems B Skin allergies C Hearing loss D Bone weakness
3 What is the effect of water pollution on aquatic life? A Death of fish B Increased plant growth C Cleaner water D More oxygen
4 Which of the following is a cause of noise pollution in cities? A Traffic B Birds singing C Wind blowing D Rainfall
5 What is the main cause of eutrophication in water bodies? A Excess nutrients B Lack of oxygen C Acid rain D Oil spills
6 Which of the following is a renewable source of energy that reduces pollution? A Wind energy B Petroleum C Coal D Diesel
7 What is the term for the release of harmful chemicals into the environment? A Pollution B Conservation C Restoration D Preservation
9 Which of the following is a way to conserve natural resources? A Recycling B Wasting water C Using more electricity D Dumping waste
10 Which of the following is a method to prevent land pollution? A Reducing the use of plastics B Using more chemical fertilizers C Dumping garbage in open areas D Burning waste
11 Which of the following is a renewable energy source that helps reduce pollution? A Coal B Oil C Solar energy D Natural gas
12 What is the effect of noise pollution on animals? A Disrupts communication B Improves hearing C Increases reproduction D Enhances hunting
13 What is the process of converting waste materials into reusable materials called? A Recycling B Burning C Dumping D Incineration
15 What is the main effect of ozone layer depletion? A Increased UV radiation B Less rainfall C More oxygen D Better plant growth
16 What is the main goal of environmental protection? A Reduce pollution and conserve nature B Increase pollution C Destroy habitats D Use more resources
17 What is the main cause of acid rain? A Sulfur dioxide and nitrogen oxides B Carbon monoxide C Ozone D Methane
18 Which of the following is a health effect of land pollution? A Contaminated food B Clean water C Better crops D Improved soil
19 What is the effect of water pollution on human health? A Waterborne diseases B Better digestion C Stronger bones D Improved vision
20 Which of the following is a method to prevent air pollution? A Using electric vehicles B Burning coal C Using pesticides D Dumping waste
21 What is the term for the buildup of toxic substances in the food chain? A Biomagnification B Bioaccumulation C Eutrophication D Desertification
22 Which of the following is a cause of thermal pollution? A Discharge of hot water from industries B Planting trees C Solar energy use D Wind energy
23 What is the term for unwanted or excessive sound that harms health? A Noise pollution B Air pollution C Water pollution D Light pollution
24 What is the effect of land pollution on soil fertility? A Decreases fertility B Increases fertility C No effect D Improves crop growth
25 What is the term for the pollution caused by excessive light? A Light pollution B Noise pollution C Air pollution D Water pollution