Metal pollution Quiz Questions and Answers PDF - 41

MCQ 201: Some metals such as Zn, Cu, Cr, Se, Ni, and Al are necessary for;

1. Animals
2. Insects
3. Forests
4. Biological organism

MCQ 202: The examples of non point source pollutants, captivated as; urban storm run off and

1. Household waste
2. Industrial effluents
3. Sewage pipe line
4. Agricultural run off

MCQ 203: Plastics adsorbs organic pollutants from the water, due to its;

1. Oily nature
2. Sticky nature
3. Hydrophilic nature
4. Hydrophobic character

MCQ 204: Sources of sound in Ocean, examplified as:

1. natural physical processes
2. marine life
3. man made sources
4. All of above

MCQ 205: OECD' stands for;

1. Organization for Ecological Cooperation and Development
2. Organization for Environmental Cooperation and Development
3. Organization for Economic Cooperation and Development
4. Organization for Economic Change and Development