Pollution
Pollution: Overview
This topic comprises the notion of pollution and pollutants. It briefs on various types of pollution along with their causes and effects on the environment and human beings.
Important Questions on Pollution
How to create healthy noise to eliminate unwanted noise?
We can turn on home and office appliances when not in use such as TV, games, computers etc.
Why industries that produce excessive noise should be set up far away from residential areas?
Write one natural measure to limit noise pollution?
The discharge of radioactive elements, industrial and agricultural effluents into water bodies is the measure to control marine pollution.
Reducing the discharge of ___ is one of the measures to control marine pollution.
Dumping hazardous and radioactive materials into water bodies should be banned to control marine pollution.
Thermal pollution is caused by power plants and industries.
A sudden change in the temperature of a natural body of water such as the ocean or sea causes
Explain the effects of thermal pollution.
Explain the causes of thermal pollution.
Explain the measures to control marine pollution.
The release of carbon monoxide from the vehicles causes noise pollution.
List the different causes of noise pollution.
Fill in the blank using the words given in the box:
| Diarrhoea cleans dirty Kali Bein urbanisation |
The water gets _____ after domestic use.
The rain that causes large-scale damages as shown above is called _____.
Observe this activity carefully.
The mother and the child shown in the picture above have a higher risk of developing
Smita got stuck in a heavy traffic jam and felt dizzy. Her doctor told her that she felt dizzy because the oxygen supply to her blood was reduced due to exposure of more
Benson’s grandpa is an asthma patient. Doctors have advised him to walk for a few minutes every morning. Which of the following footpaths should he choose to walk on?
