Pollution MCQ Questions and Answers for Practice

1. What is the name of the action plan for sustainable development in theTwenty first century framed in the Rio Declaration on Environment & Development (1992)?

1. Action 21
2. Agenda 21
3. Rio 21
4. Declaration 21

2. Ganga Action Plan in India was launched in the year _________

1. 1988
2. 1985
3. 1980
4. 1978

3. Thickness of plastic cover permissible to use

1. 50 Microns
2. 20 Microns
3. 100 Microns
4. 10 Microns

4. What is meant by root zone process?

1. A control measure to prevent water pollution
2. A process by which roots of plants are spread on the ground
3. A control measure to prevent soil pollution
4. None of these

5. Salinization is _______________________

1. Accumulation of salts in water
2. Accumulation of salts in soil
3. Accumulation of salts in body
4. Accumulation of salts in animals

6. Soil pollution is caused by

1. Aerosol
2. Ozone
3. Acid rain
4. PAN

7. Eutrophication results from

1. Agricultural and sewage water
2. Vehicle exhaust
3. Pesticides
4. Industrial effluents

8. Which of the following type of pollution can cause the outbreak of Jaundice

1. Air
2. thermal
3. water
4. land

9. The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called

1. air pollution
2. water pollution
3. soil pollution
4. radioactive pollution

10. Minamata disease is caused by

1. Air Pollution
2. Water Pollution
3. Marine Pollution
4. All of these

11. DDT is a _________________ pollutant

1. Bio degradable
2. Non bio degradable
3. Un-biodegradable
4. Naturally degradable

12. BOD stands for

1. Biological Oxygen Decrease
2. Biotic Oxygen Demand
3. Biological Oxygen Demand
4. None of the above

13. The phenomenon of accumulation of non-biodegradable pesticides in human beings

1. Biomagnification
2. Bioaccumulation
3. Biodegradation
4. Bioremediation

14. A biodegradable plastic developed by Biopak Corporation Australia

1. Biopol
2. Pet
3. Polyester
4. PVC

15. The darkening of the skin due to arsenic poisoning is called

1. Black syndrome
2. Diffuse melanosis
3. Skin scaling
4. None of these