Discuss the method of aeration in the treatment of daily wastes. Also give the problems associated with it.

Name any two methods that are used for collecting gaseous samples and explain any one of these.

How is the soil texture analysis done? Describe in brief.

Briefly explain the factors affecting water quality.

 Biochemical Oxygen Demand (BOD)

Define turbidity in water and explain its causes, measurement, and significance for water quality.

How do the following factors affect the discharge of pollutants in the atmosphere?

i) Atmospheric stability

ii) Temperature

iii) Precipitation

iv) Turbulence

v) Solar radiation