Question 1:

What is the primary source of air pollution?

Explanation: The primary source of air pollution is human activities. These include the burning of fossil fuels in vehicles, power plants, and industries, as well as activities like agriculture and waste disposal.

Question 2:

Which of the following is a common effect of air pollution on human health?

Explanation: A common effect of air pollution on human health is respiratory problems. Breathing in polluted air can lead to irritation of the respiratory system, exacerbate existing conditions like asthma, and increase the risk of respiratory infections.

Question 3:

Which air pollutant is primarily responsible for the formation of smog?

Explanation: Smog is primarily formed by nitrogen oxides (NOx) and volatile organic compounds (VOCs) reacting with sunlight to produce ground-level ozone and other pollutants. It is a common type of air pollution in urban areas.

Question 4:

How does air pollution affect the environment?

Explanation: Air pollution can have detrimental effects on the environment. It damages ecosystems, harms plants and animals, and can contribute to the decline of biodiversity. Certain air pollutants can also deposit onto soils, negatively affecting soil quality.

Question 5:

Which of the following strategies can help reduce air pollution?

Explanation: Promoting the use of renewable energy sources, such as solar and wind power, is one strategy to reduce air pollution. Other measures include implementing stricter emission standards for vehicles and industries, improving public transportation systems, and increasing awareness of the importance of reducing air pollution.