Environmental Pollution

Question 1

is a term that refers to the different ways by which people pollute their surroundings.

ex. AIR, LAND, WATER, NOISE

Answer 1

Environmental Pollutions

Question 2

Major causes of Air Pollution

Answer 2

1. Faulty Ventilation – air becomes warm and stuffy and may give rise to drowsiness, headache, nausea and vomiting and with that it will reduce work efficiency
2. Imperfect Fuel Combustion – burning wood, coal, or oil produces very fine particles of carbon, silica and iron oxide called particulate
3. Decomposing Organic matter – microorganisms flourish and food spoils faster in such polluted air
4. Dust
5. Insecticide and Pesticide
6. Chlorofluorocarbon (CFCs)

Question 3

How to minimize Air Pollution?

Answer 3

1. Adequate ventilation in all buildings
2. Use smokeless fuels, solar energy
3. Preventive Maintenance of equipment
4. Automobile emission
   Plant tress
5. Use of unleaded petrol
6. Use of ventilation, chimneys and exhaust fan

Question 4

Major Causes of Water Pollution

Answer 4

1. Wastes from the food industry
2. Excessive use of fertilizer
3. Sewage - the most serious water pollutant
4. Detergents
5. Chemical pollutants
6. Oil
7. Dissolved gases
8. Solid refuse and kitchen waste
9. Festive pollutant

Question 5

Reduction of Water Pollution

Answer 5

1. Food industry and industrial effluents
2. Wastewater management
3. Fertilizer
4. Substitute lead used in water pipes
5. Wells
6. Remove weeds and algae from tanks

Question 6

Results from Land/Soil Pollution

Answer 6

a. Insanitary habits
b. Excessive use of fertilizers and pesticides
c. Improper disposal of solid and liquid wastes
d. Radioactive fallout

Question 7

is a potential health hazard of modern times

Answer 7

Radioactive Pollution or Nuclear Pollution

Question 8

Soil Pollution can be prevented by?

Answer 8

1. Practicing vermiculture
2. Use of biogas plants
3. Composting biodegradable waste
4. Using required amounts of fertilizers and pesticides
5. Sanitary disposal of refuse

Question 9

Prevention of Noise Pollution

Answer 9

1. Use of sound absorbing material like acoustical tiles and carpets
2. Insulation against sound in buildings
3. Keep machines and appliances in good repair
4. Ban loud blaring noise