On the basis of the above passage and common understanding, answer the following questions : (a) State any four sources of air pollution in India. (b) Discuss briefly the adverse impacts of rising levels of PM 2.5 particles in the air. (c) State the full form of CPCB.

Question

Accepted Answer

Based on the passage about air quality:

(a) **Four sources of air pollution in India:**

1. **Vehicular Emissions:** Motor vehicles, especially in urban areas, are major contributors to air pollution through exhaust emissions.

2. **Industrial Pollution:** Power plants, factories, and manufacturing units release pollutants into the air.

3. **Construction Activities:** Dust from construction sites contributes significantly to particulate matter.

4. **Agricultural Practices:** Stubble burning and crop residue management release pollutants into the atmosphere.

(b) **Adverse impacts of rising levels of air pollution:**

1. **Health Impacts:** Respiratory diseases, asthma, cardiovascular problems, and premature deaths.

2. **Environmental Impacts:** Climate change, ozone depletion, and damage to ecosystems.

3. **Economic Impacts:** Healthcare costs, loss of productivity, and damage to infrastructure.

4. **Social Impacts:** Reduced quality of life, especially for vulnerable populations like children and elderly.