10 Marks
Q1. Choose the correct option. (10×1=10)
10 Marks
Q2. Write down short answers of following questions. (10 Marks)
10 Marks
Q3. Write detailed answers of the following questions. (Answer any 2) (2×5=10)
1.
Explain the characteristics, height ranges, and temperature variations of the four main layers of the atmosphere.
2.
Discuss the types of air pollutants and their impact on environment and human health.
3.
Discuss various natural and anthropogenic sources of air pollutants along with examples.