Water Pollution MCQ (Multiple Choice Questions) PDF - 142

MCQ 706: Nitrogen in sewage indicates the presence of

1. Chemicals
2. Inorganic Matter
3. Organic matter
4. Microorganism

MCQ 707: Ecosystems, having detritus food chain depends on

1. Inorganic matters
2. Organic matters
3. Microorganisms
4. Dead plants

MCQ 708: Which chemical is produced from a jet engine?

1. Bromine Oxide
2. Nitrogen Oxide
3. Nitric Oxide
4. Carbon dioxide

MCQ 709: Above the tropopause, there lies a

1. Thermosphere
2. Stratosphere
3. Troposphere
4. Mesosphere

MCQ 710: The breakdown of organic matter is known as:

1. Decomposition
2. Condensation
3. Precipitation
4. Infiltration