AIR POLLUTION UNIT 2

What is the primary source of air pollution?

• Industries
• Agriculture
• Forest fires
• Fossil fuel combustion

Which of the following is a primary pollutant?

• Ozone
• Sulfur dioxide
• Nitrogen dioxide
• Particulate matter

What is the most significant contributor to indoor air pollution?

• Cooking
• Cigarette smoking
• Household cleaning products
• Mold

Which of the following is not an effect of air pollution on human health?

• Respiratory problems
• Cardiovascular diseases
• Gastrointestinal problems
• Liver damage

What is the primary reason for the formation of smog?

• Sunlight and heat
• Volcanic activity
• Wind patterns
• Low humidity

What is the term used for a thin layer of gases that surround the earth and protect it from the sun's harmful radiation?

• Stratosphere
• Atmosphere
• Troposphere
• Ionosphere

Which of the following is not a secondary pollutant?

• Ozone
• Sulfuric acid
• Nitric acid
• Carbon monoxide

Which of the following is not a preventive measure for air pollution?

• Use of public transport
• Use of energy-efficient appliances
• Use of chemical fertilizers
• Planting more trees

What is the process of removing pollutants from smokestacks in industries called?

• Scrubbing
• Filtration
• Absorption
• Desorption

Which of the following is not a greenhouse gas?

• Carbon dioxide
• Methane
• Nitrogen
• Water vapor